![]() The JRE is the platform that provides the environment for the Java programs to run (keep in mind: to run and not develop). The Javac can either be invoked by typing ‘Javac Filenamesaved.Java’, or by using the Java compiler API like the one in Eclipse IDE.Īns. The purpose of it is to convert the Java program code line by line into bytecodes for the JVM to understand. ![]() The compiler itself comes inside the JDK. The compiler used in Java is called Javac. All the development tools required to develop a program and the JRE come inside the JDK.Īns. The JDK provides an environment to build, run, and execute programs. This term should not be confused with JRE and JVM. This multi-threaded feature is very helpful in creating interactive applications.Īns. Programs written in Java can perform various tasks simultaneously.It is architectural-neutral this means a compiled code can be run on various processors in the presence of a Java runtime system.This makes it very secure as the program is developed without any virus and is tamper-free. The Java platform has null interactions with the OS when a program is run.This means it is easier to implement, and can easily be extended. It is simple and easy to learn with a simple syntax.It is a computer-based platform and is used to develop applications.Īns. ![]() Java is an object-oriented programming language, developed in 1995 by Sun Microsystems. We will start with the questions related to the basics of Java and then move to more complex interview questions.Īns. These questions are designed for both fresher and experienced professionals of software development as well as automation testing profiles. Hello friends, in this article we have compiled a list of the top 100 core Java interview questions.
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