What are the methods available in a class?

0 Answers  

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Lowest Common ancestor in a Binary Search Tree and Binary Tree.

0 Answers   Amazon,

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What is use of static method?

0 Answers  

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Same common question what is Map,Set,HashMap,List????

4 Answers   Symphony,

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Can you explain the difference b/n abtract and interface with a good example,?In what cases we have use abtract and what case interface?

4 Answers   Satyam,

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what is ejb? what is the importance of ejb?

2 Answers   Photon,

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What is scope & storage allocation of global and extern variables? Explain with an example

0 Answers   IBS,

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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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What is static and final keyword in java?

0 Answers  

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Why string is immutable with example?

0 Answers  

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What is the purpose of the File class?

3 Answers  

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Are variables stored in ram?

0 Answers  

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