why Runnable interface is preferable than extending the Thread class?

7 Answers   Aizza, College School Exams Tests, Sybrant Technologies, Wipro,

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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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Give me example of derived data types.

0 Answers   Amdocs,

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Write a code to create a trigger to call a stored procedure

0 Answers  

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What are untrusted applets?

0 Answers  

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What is OOP's Terms with explanation?

0 Answers  

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What are controls and their different types in awt?

0 Answers  

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Difference between ‘>>’ and ‘>>>’ operators in java?

0 Answers  

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Can we modify the throws clause of the superclass method while overriding it in the subclass?

0 Answers  

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What steps are taken when the OS shifts from one-thread execution to another?

0 Answers   Amazon,

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please write java program of instanceOf keyword implementation

2 Answers   TCS,

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How do you check if a string contains only numeric digits?

0 Answers  

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