Is nan false?

0 Answers  

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What is the differences between heap and stack memory in java? Explain

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System.out & System.in are final static data member of System class but we can change there reference through setOut() & setIn() method how...

2 Answers   FCS, TCS,

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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 are the advantages of java?

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What will happen if there is a default method conflict as mentioned above and we have specified the same signature method in the base class instead of overriding in the existing class ?

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What class of exceptions are generated by the java run-time system?

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In what types of operations an ArithmeticException will be thrown?

3 Answers  

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How we can run a jar file through command prompt in java?

0 Answers  

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java Technical questions asked by JPMC

0 Answers   JPMorgan Chase,

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What is the purpose of using javap?

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Explain about map interface in java?

0 Answers  

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