Explain about assignment statement?

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Explain listiterator and methods in listiterator?

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What is serialization in java?

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How do you use substring in java?

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why should we get the following error ? Exception in main method NoClassDefFoundError:classname could anyone give the detail clarification on how java compiler can look for .class file?

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What is Runtime class and its purpose?

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How is object created in java?

5 Answers   Cap Gemini,

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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 does it mean that a class or member is final?

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What are assembly attributes?

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What is arraylist e?

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Should database connections be singleton?

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