Which of the following best describes the difference between JDK, JRE, and JVM?

Java MCQ: Which of the following best describes the difference between JDK, JRE, and JVM?

a) JDK is a development environment, JRE is a runtime environment, and JVM is a virtual machine
b) JDK is used to execute Java programs, JRE is used to develop Java programs, and JVM is used to debug Java programs
c) JDK is a runtime environment, JRE is a development environment, and JVM is a debugger
d) JDK, JRE, and JVM are all used interchangeably

Answer:

a) JDK is a development environment, JRE is a runtime environment, and JVM is a virtual machine

Explanation:

The Java Development Kit (JDK) is a complete development environment for building Java applications, including a compiler, libraries, and tools necessary for development. The Java Runtime Environment (JRE) provides the libraries, Java Virtual Machine (JVM), and other components to run Java applications, but it does not include development tools like the compiler.

The JVM is the core of the Java runtime environment, responsible for executing the bytecode generated by the Java compiler. Together, the JDK, JRE, and JVM enable the development, execution, and management of Java applications.

Understanding the differences between these components is crucial for setting up the Java environment correctly and for the effective development and execution of Java programs.

Reference links:

https://www.rameshfadatare.com/learn-java-programming/
https://www.javaguides.net/p/java-tutorial-learn-java-programming.html

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