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Java Online Internship

KaaShiv Infotech offers, Java Online Internship . Online Internship provides you in-depth knowledge of Java Programming.  This online internship enables the students to understand and learn the current trend in the job market. Students will prefer internships to build their profile for their jobs and also for their higher studies. Our company provides both offline and online java internship . online internship for java – imparts technical and programming skills on the below list of java areas such as,

  1. JAVA Programming Introduction
  2. Advanced Object Oriented Programming – OOPs Introduction , Inheritance , Polymorphism & Interface in Java
  3. Pre/User Defined PackagesAccess Modifiers , String Manipulation & String Buffer in Java
  4. Java User Defined Datatypes  – Array , Sorting of Arrays & Packages in Java
  5. Java I/O Streams / Multithreading  
  6. Java AWT  / SWING (JFC) Concepts
  7. Java Tomcat-Introduction / JDBC Architecture
  8. Java Servlets Introduction

Highlights of our company

  • Common Wealth Bank Recognized Leading Light Rising Star Award Winner
  • Cisco Recognized Certified Experts
  • Microsoft Certified Professionals
  • Artificial Intelligence  and Robotics Experts
  • Asia Book of Record Holder – On Software Application Development
  • HCL Technologies Awarded SME ( Subject Matter Expert )
  • INETA Champion Gold Member
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Why our company provides, Java online Internship

The Course curriculum for, java internship – is carefully researched and prepared by professionals from MNC to meet the demands expected in the current IT industries. After completing Internship in Chennai at KaaShiv Infotech, students will be familiar with the entire java programming. Below are some of the insights of our  programme, java developer internship work from home ,

Gain a new perspective on your student life
Discover New And Hidden Talent
Real-time project development and Technology Training
Bolstering your CV
100% Practical Technology training
Earn academic credit & fulfil academic goals
Real Life Experience and Exposure
After completion, Internship report will be provided.
Guidance in creating R & D projects

Trainers to train you

Kaashiv InfoTech, java internship in chennai – Trainers are real-time IT experts and professionals worked in java programming from leading MNCs like

  • TCS,
  • HCL,
  • Infosys,
  • Cognizant,
  • Wipro
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Benefits of Doing an, Online internship for java

  • Online JavaTraining and Java Online Internship is becoming very popular among the student community as they are affordable, convenient and flexible. Students can learn the concept at their own time schedule.
  • Online courses also give the students an opportunity to plan their task according to their convenience.
  • There are lacks of students doing different technical internships in India who have to do 4 weeks Internship or 6 weeks Internship as it is in their syllabus. All these students can’t get a chance to do regular Internship. In such condition, what is the option left? The answer is Online Internship.
  • The intern gets a chance to learn technical skills, team management, soft skills, work culture, while undertaking training. This is helpful in safeguarding permanent service in the future.
  • At the end of online internship, the intern gets a Certificate showing to their training and skill in a specific field. This serves as an experience certificate when they search for employment after their training.
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java training and Online internship

Online Internship Training provides real-time exposure for the students on the latest and trending technologies in the software companies. Below are some of the Top jobs in IT Industry with very good,

  • Java Developer
  • Java Senior Developer
  • Full Stack Java Developer
  • JSP Developer
  • Software Developer
  • Web Programmer
  • Web Developer
  • Application Developer
  • Core Java Programmer

 

KaaShiv Infotech Internship programme horne you in the above said skills / job roles from basics to Advanced.

What is Java ? - Java programmer internship

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Types of Internship Training to the Students

Learn and Implement
45 Concepts Covering 7 Technologies
+1 Projects

Short Term Internship
- Java Online Internship

  • Java Internship – Duration: 1 day, 2 days, 3 days, 5days/ 10days or Based on Student Preference
  • Training hours: 3 hrs per day
  • Software & other tools installation Guidance
  • Hardware support
  • Java Internship Report creation / java internship projects creation
  • KaaShiv Infotech is top under, java internship online for students ,  1 Real time projects – After 6 months of regular Paid Internship, Internship becomes free + For best interns Stipend will be provided + Best Interns will be offered Job too.
  • Internship Certificate & Inplant Training Certificate &  Industrial exposure certificate + (Achievement certificate for best performers)
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java internship for students – Syllabus

100% Practical – Live HandsOn – free java internship

Topic 1 : Java  – Basics
What is Java? , What is JNDI in Java? , What is JNI in Java?, What is Java Interface?, What is Java SE?
What is JavaBeans?, Install JDK, Java Programming Language Features, Applications of Java, Career in Java, Versions of Java, Java Virtual Machine, Java GUI Framework, Java Packages, Java Package Example
Default Package in Java, Variables in Java, Instance Variable in Java, Object in Java, Java Commands, Iterator in Java, Java Booleans, Conversion in Java, Type Conversion in Java, Servlet Architecture, String in Java, What is JDK?, What is JVM?, What is J2EE?, RMI Architecture
Topic 2 : Java – Data Types
Java Literals, Data Types in Java, Primitive Data Types in Java, Java User-defined Data Types, Enumset in Java, Cheat Sheet Java
Topic 3 : Java – Frameworks 
Best Java Compilers, Java XML Parser, Frameworks In Java, Testing Frameworks for Java, Java Monitoring Tool, Best Java IDE, Java Compilers, Java Tools, Java Deployment Tools, Types of Memory in Java
Java References, Java Type Inference, Java Boolean to String, Java String to Float, java.net Package
Java Formatter, sprintf Java, Java Identifiers
Topic 4 : Java – Operators
Arithmetic Operators in Java, Unary Operators in Java, Logical Operators in Java, Comparison Operators in Java, Assignment Operators in Java, Java String Operators, Conditional Operator in Java, Boolean Operators in Java
Topic 5 : Java – Keywords 
this Keyword in Java, Static Keyword in Java, Native keyword in Java, Throw Keyword in Java, Throws Keyword in Java, What is public in Java?, Private in Java, Protected Keyword in Java, Final Keyword in Java
Topic 6 : Java – Control statements
Control Statement in Java, Else-If Statement in Java, Nested if Statements in Java, Continue Statement in Java, Break Statement in Java, Case Statement in Java
Topic 7 : Java – Loops
Loops in Java Programming, For Loop in Java, While Loop in Java, do-while loop in Java, For-Each loop in Java, Nested Loop in Java
Topic 8 : Java – Programs
Patterns in Java, Star Patterns in Java, Number Patterns in Java, Swapping in Java, Factorial in Java, Fibonacci Series in Java, Reverse Number in Java, Palindrome in Java, Armstrong Number in Java, Squares in Java, Square Root in Java, Special Number in Java, Anagram Program in Java, Strong Number in Java, Random Number Generator in Java, Matrix Multiplication in Java, Socket Programming in Java, Prime Numbers in Java, String Comparison in Java, Leap Year Program in Java, Perfect Number in Java, Smith Number in Java, Reverse String in Java, Design Patterns in Java, , TimeStamp to Date in Java

+ java Internship Certificate

+ Java Inplant Training Certificate

+ Free Industrial exposure certificate + (Achievement certificate for best performers) + 1 Java Project

Learn and Implement
70 to 400 Concepts Covering 9 Technologies
+ 2 Projects

Long Term Internship
- Java Online Internship

  • Java Internship – Duration: 6 days to 6 Months or Based on Student Preference 
  • Training hours: 3 hrs per day
  • Software & other tools installation Guidance
  • Hardware support
  • Java Internship Report creation / Java Project Report creation
  • KaaShiv Infotech is top under, core java internship online ,  based 2 real time projects.
  • 3 Certificates will  be given
    • Internship Certificate
    • Inplant Training Certificate  
    • Industrial exposure certificate
    • + (Experience Letter for best performers and Researchers)
    • java internship online free / free internship on java – After 6 months of regular Paid Internship, Internship becomes free + For best interns Stipend will be provided + Best Interns will be offered Job too.  java intern salary – Will be paid after 6 months as stipend.
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Work From Home Java Jobs

100% Practical – Live HandsOn  – java internship syllabus

Topic 1 : Java  – Basics
What is Java? , What is JNDI in Java? , What is JNI in Java?, What is Java Interface?, What is Java SE?
What is JavaBeans?, Install JDK, Java Programming Language Features, Applications of Java, Career in Java, Versions of Java, Java Virtual Machine, Java GUI Framework, Java Packages, Java Package Example
Default Package in Java, Variables in Java, Instance Variable in Java, Object in Java, Java Commands, Iterator in Java, Java Booleans, Conversion in Java, Type Conversion in Java, Servlet Architecture, String in Java, What is JDK?, What is JVM?, What is J2EE?, RMI Architecture
Topic 2 : Java – Data Types
Java Literals, Data Types in Java, Primitive Data Types in Java, Java User-defined Data Types, Enumset in Java, Cheat Sheet Java
Topic 3 : Java – Frameworks 
Best Java Compilers, Java XML Parser, Frameworks In Java, Testing Frameworks for Java, Java Monitoring Tool, Best Java IDE, Java Compilers, Java Tools, Java Deployment Tools, Types of Memory in Java
Java References, Java Type Inference, Java Boolean to String, Java String to Float, java.net Package
Java Formatter, sprintf Java, Java Identifiers
Topic 4 : Java – Operators
Arithmetic Operators in Java, Unary Operators in Java, Logical Operators in Java, Comparison Operators in Java, Assignment Operators in Java, Java String Operators, Conditional Operator in Java, Boolean Operators in Java
Topic 5 : Java – Keywords 
this Keyword in Java, Static Keyword in Java, Native keyword in Java, Throw Keyword in Java, Throws Keyword in Java, What is public in Java?, Private in Java, Protected Keyword in Java, Final Keyword in Java
Topic 6 : Java – Control statements
Control Statement in Java, Else-If Statement in Java, Nested if Statements in Java, Continue Statement in Java, Break Statement in Java, Case Statement in Java
Topic 7 : Java – Loops
Loops in Java Programming, For Loop in Java, While Loop in Java, do-while loop in Java, For-Each loop in Java, Nested Loop in Java
Topic 8 : Java – Programs
Patterns in Java, Star Patterns in Java, Number Patterns in Java, Swapping in Java, Factorial in Java, Fibonacci Series in Java, Reverse Number in Java, Palindrome in Java, Armstrong Number in Java, Squares in Java, Square Root in Java, Special Number in Java, Anagram Program in Java, Strong Number in Java, Random Number Generator in Java, Matrix Multiplication in Java, Socket Programming in Java, Prime Numbers in Java, String Comparison in Java, Leap Year Program in Java, Perfect Number in Java, Smith Number in Java, Reverse String in Java, Design Patterns in Java, , TimeStamp to Date in Java
Topic 9 : Java – Inheritance
Inheritance in Java, Single Inheritance in Java, Multilevel Inheritance in Java, Hierarchical Inheritance in Java, Hybrid Inheritance in Java
Topic 10 : Java – Constructor and destructor
Constructor and Destructor in Java, Constructor in Java, Destructor in Java, Copy Constructor In Java, Static Constructor in Java, Private Constructor in Java
Topic 11 : Java – Arrays
Arrays in Java Programming, 2D Arrays in Java, 3D Arrays in Java, Multidimensional Array in Java, Array Methods in Java, Print 2D Array in Java, Print Array in Java, String Array in Java, Associative Array in Java, Dynamic Array in Java, Java Array Iterator, Java array push Sort String Array in Java
Topic 12 : Java – Sorting
Sorting in Java, Sorting Algorithms in Java, Merge Sorting Algorithms in Java, Quick Sorting Algorithms in Java, Selection Sort In Java, Heap Sort In Java, Bubble Sort in Java, Bucket Sort in Java, Merge Sort In Java, Quick Sort in Java, Insertion Sort in Java, Sort String in Java, Program for Merge Sort in Java, Shell sort in java
Topic 13 : Java – Functions
String Functions in java, Math Functions in Java, Hashing Function in Java, Regular Expressions in Java,
Recursion in Java, Java Callback Function, Java Call by Value, Java Call by Reference, HashMap in Java, Java String Concatenation, Java String Equals, Compare two Strings in Java, Virtual Function in Java
Java newInstance(), split() Function in Java, trim() Function in Java, Replace() Function in Java, substring() Function in Java, Strictfp in Java, String Reverse Function in Java, Java String getBytes, Java Replace Char in String, Shuffle() in Java, addAll() in Java, replaceAll() in Java
repaint in Java, copy() in Java, Java max(), Java min(), Java Timestamp, Java URLConnection, Java StringJoiner, Java KeyStore, Java InetAddress, Java getMethod(), swap() in Java, Deadlock in Java, Range in Java, Java Repository, Java Dictionary, Mutable String in Java, Mutable vs Immutable Java, Native Methods in Java, Internationalization in Java, settimeout Java, StringBuffer Class in Java, String Class in Java, Java URL Class, Java Vector Class
Topic 14 : File Handling in – Java
FileWriter in Java, Java Stream Filter, Java FileInputStream, Java IO, Java OutputStreamWriter, DataInputStream in Java, Java BufferedReader, Java BufferedWriter, Java BufferedInputStream, Java ByteArrayInputStream, Java ByteArrayOutputStream
Topic 15 : Java – Polymorphism
What is Polymorphism?, Polymorphism in Java, Runtime Polymorphism in Java, Overloading and Overriding in Java, Overloading in Java, Method Overloading in Java, Function Overloading in Java, Overriding in Java, Method Overriding in Java, Final Keyword in Java, Super Keyword in Java, instanceOf in Java
Topic 16 : Java – Collections
What is TreeMap in Java?, Sorting in Collection, Java Collections Class, Hashtable in Java, Java EnumMap, Java LinkedHashMap, Reverse Linked List in Java, LinkedList in Java, Skip List Java, Java Collection Types, Java Collection Sort, Java Collection to List, Java Date Time
Topic 17 : Java – Advanced
Methods in Java, Inner Class in Java, Cohesion in Java, Abstraction in Java, Java Predicate, Anonymous Inner Class in Java, Java Stack Methods, Java Static Nested Class, Synchronized Block in Java, Static Synchronization in Java, Abstract Class in Java, Access Modifiers in Java, Non Access Modifiers in Java,
Bit Manipulation in Java, Encapsulation in Java, Singleton Class in Java, Wrapper Class in Java, Nested Class in Java, Java Matcher, Java Pattern Class, Java File Class, Final Class in Java, Stack Class in Java, Anonymous Class in Java, StringBuilder Class in Java, StringBuffer in Java, Java Directories, JSON in Java, Object Class in Java, What is Multithreading in java?, Queue in Java, Deque in Java
Topic 18 : Functional Programming in – Java
ClassLoader in Java, Interface in Java
Functional Interface in Java
PriorityQueue in Java, Collection Interface in Java, Object Cloning in Java, Applets in Java, 2D Graphics in Java, Autoboxing and Unboxing in Java, Comparable in Java Example
Java Annotations, Java User Input, Serialization in Java, Dynamic Binding in Java, Java Parse String,
Java Adapter Classes, Immutable Class in Java, String Initialization in Java, String Manipulation in Java, Finalize in Java
Topic 19 : Exception Handling in – Java
Types of Exception in Java, Java Null Pointer Exception, Java No Such Element Exception, Java Concurrent Modification Exception, Java Arithmetic Exception, Java IO Exception, Java Runtime Exception, Number Format Exception in Java, Java Array Index Out Of Bounds Exception, Java Class Not Found Exception, Java File Not Found Exception, Java Interrupted Exception, Java User Defined Exception, Event Handling in Java, Finally in Java
Topic 20 : Java – Interview Questions
What is Synchronization in Java?, What is Concurrency in Java?, What is Design Pattern in Java?, What is Generics in Java?, What is API in Java?, What is a Binary Tree in Java?, Data Structures in Java, Binary Search Tree in Java, AWT Components in Java, Volatile Keyword in java, Struts in Java, What is Java, Garbage Collector?, What is Java Inheritance?, Thread Life cycle in Java, Object Oriented Programming in Java, Java App Development, Java Naming Conventions, Comparable in Java, Servlet in Java

+ Internship Certificate

+ Java Inplant Training Certificate

+ Free Industrial exposure certificate + (Achievement certificate for best performers) + 2 Java Projects

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How to get - Online Java Internship Jobs ?

Apply for, internship on java online - Contact Us

Thanks for choosing our 100% Practical interactive, internship in java online . As an Intern, you will get high end technological knowledge for sure. Welcome to KaaShiv Infotech, best internship company to provide, java internship with stipend .
java internship online free - After 6 months of regular Paid Internship, Internship becomes free + For best interns Stipend will be provided + Best Interns will be offered Job too.

Contact Number / Whatsapp Number

Mobile 1 : 7667662428
Mobile 2 : 7667664842
Mobile 3 : 9840678906
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Java Internship

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Our, java online internship - Training Youtube Channels –

Our Technology Channel :

https://www.youtube.com/channel/UC2MYZHG8a56u4REI2RedtRA

 

Our Subject Channel : 

https://www.youtube.com/channel/UC9dcBYLL-ZGTy7ml8YMTlag/videos

 

Check out the colleges attended our  Internship :

Click to view more details   kaashiv infotech internship reviews

Intern Students Feedback

Check our ( Intern )Students Feedback :

Inplant training in chennai for java – Feedback – https://www.kaashivinfotech.com/inplant-training-feedback

 

Java Internships – Feedback  – interns for java students

 

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1. Report for the internship will be provided after the completion of the programme. internship report on java , summer internship report on java , winner internship report on java - will be given

2. Regular tech updates to the students.

3. Free internship Projects given

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1. Industry Recognized, certificate for internship will be given.

2. 3 Certificates will be given ( Intern Certificate + Inplant Training Certificate & Industrial exposure certificate ) + (Achievement certificate for best performers)

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2 day / 3/ 4 / 5 / 10, 20 days or 1 month to 6 Months ( Any Number of Days – Based on student preferences)

java internship work from home

internship on java online

java online internship for freshers

  • This online internship can be done by the freshers to build their career. This programme will provide a clear baseline for  the entry level engineers to  enter into the IT industry.
  • Before entering into the companies, doing an online internship will give you more clarity in the programming field.
  • Java online internships for students – Kaashiv Infotech recommends all department students, fresher and even school students to take up this training and build their career.

Online internship for java programmers

  • Online internship java programming – Learning the programming techniques and getting ideas to do java projects enables the programmer to be well versed in technology
  • internship java developer – Even with competition from new languages, the demand for Java developers remains strong. In fact, Java is one among the foremost in-demand programming languages on the job market, based on whose numbers you look at. Today, Java is that the hottest choice for writing Android apps.

Online internship for java beginners

  • Online internship for java beginners  – Enables the students, freshers, and developers to create their java projects on their own.
  • java online internship for beginners – This java online internship, enables the individuals to get ready for the interview and so also to enhance their careers.

Core Java Online Summer Internship Program

  • This programme becomes mandatory before completing their degree for computer science-based students Due to its huge involvement and implementation flexibility in many fields.
  • java internship summer – The reason for doing java internship is, real time industrial exposure is preferred by most of the companies in India. Identifying real time internship with recognized internship certificate is very important. After completing the internship will acquire  practical knowledge, analytical skills, programming skills and problem solving skills.
  • Java internships programme is having round the year and the students preferring, java summer internship 2021 , java summer internship 2022 , java summer internship 2023 , java internship summer 2021 , java internship summer 2022 , java internship summer 2023 . Kaashiv Infotech is right choice to do online internships and guidance to prepare , summer internship report on java

Core java online winter internship Program

  • java winter internship – Internship can be done by diploma studying students , engineering students or freshers and arts college students too.
  • Students can prefer the internships in the winter holidays too. Doing a meaningful learning in the holidays is the best and first step towards the vision of success. The reason is, your career is getting enhanced and Practical knowledge with programming skills carves the java interns towards cutting edge technologies. Working as a java interns will help them to achieve the same.
  • Students preferring, java winter internship 2021 , java winter internship 2022 , java winter internship 2023 , java internship winter 2021 , java internship winter 2022 , java internship winter 2023 . Kaashiv online internship programme is the right choice.

internship for java online

  • internship for java online – kaashiv offers online internships  (and) internship on java online – for the students or professionals who prefer, java internship work from home .
  • java internship remote – Java intern will be learning cutting edge technology based out of java with online classes for java . Our, internship in java online – programme provides Online portal to study anytime, online classes to study flexibly , industry recognized certificate with, java internship interview questions (and) java internship questions training – for all the attendees.

More Question on, Java online Internship

What did you learn from this java online internship ?

  • Study the basic concepts of Java Data Types, Variables and Conditionals.
  • Learn about arrays, methods, iterators in detail. Learn what are methods in Java.
  • Study the concepts of OOP : Inheritance, Polymorphism, Classes and Objects.
  • Make a project in using core java concepts.

Why Learn Java ?

  • Java has been Rated #1 in Popular programming languages index.
  • Average Salary of specialists with Java skills is $110k.
  • Used by 10 million developers international to develop applications for the 15 Billion devices supporting Java.

What are the internships (or) jobs vacancies are available for Java Students ?

  • Here are some of the positions for Java Internship jobs in India / Java Internship Online Jobs
    • Java Developer
    • Java Senior Developer
    • Full Stack Java Developer
    • JSP Developer
    • Software Developer
    • Web Programmer
    • Web Developer
    • Application Developer
    • Core Java Programmer

What do Java developers need to know ?

Basic Java developer skills

  • JavaServer pages (JSP) and servlets.
  • Web frameworks (e.g., Struts and Spring)
  • Service-oriented architecture/web services (SOAP/REST)
  • Web technologies like HTML, CSS, JavaScript, and JQuery.
  • Markup languages like XML and JSON.
  • Object-oriented programming (OOP) concepts and patterns.

Are Java skills still in demand ?

  • Even with competition from new languages, the request for Java developers remains strong. In fact, Java is among the most in-demand programming languages on the job market, dependent on whose numbers you look at.
  • Java based job positions increased 80 percent between 2020 and 2021, from 3,469 to 6,243 — impressive for a programming language that’s been around for near 25 years.

What are some good places to learn java Internship in Chennai ?

  • Kaashiv Infotech is the best place to learn java Internships where the internships are provided with real time example.
  • The java Internship in Chennai Syllabus is designed according to the student needs of the corporate client which will definitely help you to clear the interviews easily.

Can I get an Java internships online ?

  • The Answer is, Yes . java internship online involves java Basics, Class & OOps Programming, JSP, Applet Programming.

Which startups provide the best internships in Java in India? What are the duration of these internships? Also, are these internships free or stipend based ?

The Answer is, Kaashiv Infotech offers internship  This internship involves, practical  knowledge and real time experience . Internship duration can be from 1 day to any number of days like 6 months. Usually students will prefer 5 days to 6 months of internship.

Who is my Aws trainer and how they are selected ?

  • Our trainers are more than 10+ years of experience in course relevant technologies.
  • Trainers are expert level in the subjects they explain because they continue to spend time working on real-world industry applications.
  • Trainers have skilled on real-time projects in their industries.
  • Are working professionals working in international companies such as CTS, TCS, HCL Technologies, etc…
  • Trained more than 1500+ students in a year.
  • Strong theoretical & practical knowledge.

How can I get an internships on Java development ?

The Answer is, Kaashiv Infotech provides internships on Java programming language. You can apply for internships via the link and get the confirmation from the team and attend our training on the specified requested date.

Is doing internship in Java Development worth it? Can it add some advantage to my resume for campus placement ?

The Answer is, Yes . Internships in java provides lot of technological and programming knowledge to the students and enable them to become professional experts

Which company is best for java internships in Chennai ?

  • Java is a popular high-level programming language. Java is an accurate fast, easy-to-use, and easy-to-deploy programming language that is being used to develop scalable web applications.
  • Kaashiv Infotech is one of the best company for a java internship in Chennai. It is a great option for both beginners and experienced professionals.

How to get java work from home internships ?

Java Interview Questions and Answers

What is Java ?

  • Java is a general purpose programming language and a platform.
  • It is a high level, robust, secured and object-oriented programming language.
  • Platform: Any hardware or software environment in which a program runs is called a platform.
  • Since Java has its own runtime environment (JRE) and API, it is known as platform.

 

What are the differences between C++ and Java ?

  • The differences between C++ and Java are given below:
  • C++:
    • C++ is platform-dependent.
    • C++ is mainly used for system programming
    • C++ supports the goto statement.
    • C++ supports multiple inheritance.
    • C++ supports operator overloading.
  • Java:
    • Java is platform-independent.
    • Java is mainly used for application programming. It is widely used in window, web-based, enterprise and mobile applications.
    • Java doesn’t support the goto statement.
    • Java doesn’t support multiple inheritance through class. It can be achieved by interfaces in java.
    • Java doesn’t support operator overloading.

 

List the features of Java Programming language ?

  • There are the following features in Java Programming Language;
    • Simple
    • Object-Oriented
    • Portable
    • Platform Independent
    • Secured
    • Robust
    • Architecture Neutral
    • Interpreted
    • High Performance
    • Multithreaded
    • Distributed
    • Dynamic

 

What do you understand by Java virtual machine ?

  • Java Virtual Machine is a virtual machine that enables the computer to run the Java program.
  • JVM acts like a run-time engine which calls the main method present in the Java code.
  • JVM is the specification which must be implemented in the computer system.
  • The Java code is compiled by JVM to be a Bytecode which is machine independent and close to the native code.

 

How many types of memory areas are allocated by JVM ?

  • Many types:
    • Class(Method) Area
    • Heap
    • Stack
    • Program Counter Register
    • Native Method Stack

 

What is JIT compiler ?

  • Just-In-Time(JIT) compiler: It is used to improve the performance. JIT compiles parts of the bytecode that have similar functionality at the same time, and hence reduces the amount of time needed for compilation.
  • Here the term “compiler” refers to a translator from the instruction set of a Java virtual machine (JVM) to the instruction set of a specific CPU.

 

What is the platform ?

  • A platform is the hardware or software environment in which a piece of software is executed. There are two types of platforms, software-based and hardware-based. Java provides the software-based platform.

 

What are the main differences between the Java platform and other platforms ?

  • There are the following differences between the Java platform and other platforms.
    • Java is the software-based platform whereas other platforms may be the hardware platforms or software-based platforms.
    • Java is executed on the top of other hardware platforms whereas other platforms can only have the hardware components.

 

What gives Java its ‘write once and run anywhere’ nature ?

  • The bytecode. Java compiler converts the Java programs into the class file (Byte Code) which is the intermediate language between source code and machine code.
  • This bytecode is not platform specific and can be executed on any computer.

 

What is classloader ?

  • Classloader is a subsystem of JVM which is used to load class files. Whenever we run the java program, it is loaded first by the classloader.
  • There are three built-in classloaders in Java.:
    • Bootstrap ClassLoader.
    • Extension ClassLoader.
    • System/Application ClassLoader.