• Java interview questions.

    Tuesday, 7 June 2016

    What is API?
    An API is a  collection of packages,classes,interfaces and sub packages.

    What is java and javac?
    Java and javac are tools or aplication programs or exe file developed by sun micro syatem and suply as a part of jdk 1.5/1.6/1.7/1.8 in bin folder. Java tools are used for run the java program and javac tool are used for compile the java program.

    What is JVM?
    JVM means (Java Virtual Machine )" is a software .

    What is Main aim of JIT Compiler ?
    The main aim of JIT compiler is to speed up the execution of java program.

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