Can a Byte object be cast to a double value?

3 Answers   KO,

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What about abstract classes in java?

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Is alive method in java?

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What is a jit compiler?

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Is treeset sorted in java?

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What is a vector in java?

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Differentiate between static and non-static methods in java.

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Define Compiling?

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public class Garbage { int a=0; public void add() { int c=10+20; System.out.println(c); System.out.println(a); } public static void main(String args[]) { Garbage obj=new Garbage(); System.gc(); System.out.println("Garbage Collected"); obj.add(); } } Above is a code in java used for garbage collection. object obj has been created for the class Garbage and system.gc method is called. Then using that object add method is called.System.gc method if called the obj should be garbage collected?

6 Answers  

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what is the volatile modifier for? : Java thread

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Why scanner is used in java?

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What is the purpose of a statement block?

1 Answers  

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