what is the significance of listiterator in java?

0 Answers   IBS,

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What is java lang object?

0 Answers  

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What’s meant by anonymous class?

0 Answers  

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Does list allow duplicates in java?

0 Answers  

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Can finally block be used without a catch?

0 Answers  

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is there any function in java to make the text to blink?

6 Answers  

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What happens when main () method is declared as private?

0 Answers   Tech Mahindra,

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Can a class be subclass of itself?

4 Answers  

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can we take more than one null values for Unique constraints.

1 Answers   3i Infotech,

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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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for(i=0;i<100;i++) { int i=method();//method returns no's from 1 to 10; /* insert some stmts which can give output like no.of times numbers(1-10) returned. (for example if it returns 2 then i want output how many times 2 returned) like that i want output for no's 1 - 10 how many times each no returned. */ }

3 Answers  

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Write the algorithm to check the number non-leaf nodes in a tree.

0 Answers   Amdocs,

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