Core Java - Interview Questions and Answers VOL-III

Q.1  What is the purpose of the Runtime class?

Ans:  The purpose of the Run time class is to provide access to the Java run time system.

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Core Java - Interview Questions and Answers VOL-II

Q.1  How can you force garbage collection?

Ans:  You can't force GC, but could request it by calling System.gc(). JVM does not guarantee that GC will be started immediately.

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Core Java - Interview Questions and Answers VOL-I

Q.1  What is the difference between a JDK and a JVM?

Ans:  JDK is Java Development Kit which is for development purpose and it includes execution environment also.

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