Why is static used?

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Can I create any Marker Interface? If yes then how can I use it???

4 Answers  

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Why null value is used in string?

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Write a regular expression to validate a password. A password must start with an alphabet and followed by alphanumeric characters; its length must be in between 8 to 20.

0 Answers  

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Memory management in JAVA

3 Answers   Tech Mahindra, Wipro,

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What is the diffrence between inner class and nested class?

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What are the types of casting?

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interface X{ void m1(); void m2(); } class Child2 extends Object implements X { public void m1(){ System.out.println("Child2 M1"); } public void m2(){ System.out.println("Child2 M2"); } } public class ParentChildInfterfaceDemo { public static void main(String[] args){ X x = new Child2(); X x1 = new Child2(); x.m1(); x.m2(); x.equals(x1); } } Will the above code work? If yes? Can you please explain why the code x.equals(x1) will work as the equals method is called on interface reference vaiable?

2 Answers  

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Is arraylist ordered in java?

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How can you write a loop indefinitely in java programming?

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What is a class instance variable?

0 Answers   Tech Mahindra,

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what is different between static and non static methods ,using example

2 Answers  

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