Core Java - Interview Questions and Answers for 'Jre' | Search Interview Question

Core Java - Interview Questions and Answers for 'Jre' - 4 question(s) found - Order By Newest

Q1. Difference between JVM, JRE and JDK ?

Ans. JDK(Java Development kit) = Development Kit comprising of JVM , library and development tools for developers

JRE (Java Run time Environment) - Comprise of JVM and set of libraries

JVM(Java Virtual Machine) = Interpreter which reads the .class file line by line.

When we install JDK, JRE also get installed so we can write,compile and excute our code. Used by developer. Without JDK we can only execute the program using JRE.

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Q2. Can I use different Java versions for building different Eclipse projects ?

Eclipse

Ans. Yes. We can assign different JRE System libraries by going to

Java Build Path -> Libraries

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Q3. What is the use of Runtime Class ?

Ans. This class is used to provide access to the Java runtime system

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All these acronyms JDK,JRE,JVM etc are very frequently asked.

Q4. Difference between JDK and JRE ?

Core Java

Ans. JRE or Java Runtime Environment is the Java Virtual Machine on which class files are executed. It includes borwser plugins that facilitates execution of class files in browsers.

JDK or Java Development Kit includes JRE , compiler and development tools.

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