Why we used vector class?

0 Answers  

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What is used of static keyword in java?

0 Answers   Cyient,

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What are packages and name a few?

4 Answers  

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What do you mean by static variable?

0 Answers   TCS,

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Java support call by reference (pass by reference) ?

1 Answers   HCL,

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What is preparedstatement in java?

0 Answers  

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Why we do exception handling in java and how many types of exceptions are there?

0 Answers  

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Given: 10. interface A { void x(); } 11. class B implements A { public void x() { } public voidy() { } } 12. class C extends B { public void x() {} } And: 20. java.util.List list = new java.util.ArrayList(); 21. list.add(new B()); 22. list.add(new C()); 23. for (A a:list) { 24. a.x(); 25. a.y();; 26. } What is the result? 1 Compilation fails because of an error in line 25. 2 The code runs with no output. 3 An exception is thrown at runtime. 4 Compilation fails because of an error in line 20.

3 Answers  

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how to print a numbers from 1 to 100 with out using control structures?

4 Answers   IBM,

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What is serialVersionUID and what is its need?

1 Answers   KPIT,

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What is a container in a gui?

0 Answers  

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What is a parameter used for?

0 Answers  

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