Can a class be a super class and a sub-class at the same time? Give example.

1 Answers  

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what is object type casting? give some example with related?

2 Answers   HP, SparkTG,

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Is 0 a real number?

0 Answers  

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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 modifiers are used with a top level class?

3 Answers  

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can you use the two main method in same class?how?

4 Answers   DELL, Geosoft, SparkTG,

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What are the differences between unchecked exception, checked exception, and errors?

2 Answers  

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What is the difference between Java Bean and Java Class.?

2 Answers  

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What is map and hashmap? also tell the difference.

1 Answers  

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What is a cup of java?

0 Answers  

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When is the finally clause of a try-catch-finally statement executed?

0 Answers  

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What is lazy programming?

0 Answers  

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