What two classes are used to read data only?

0 Answers   TryTechnicals Pvt Ltd,

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what do you understand by synchronization? Or what is synchronization and why is it important? Or describe synchronization in respect to multithreading? Or what is synchronization? : Java thread

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why string constant pool in java

2 Answers   TCS,

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What does jre stand for?

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What is the difference between multitasking and multithreading in Java

0 Answers   Sans Pareil IT Services,

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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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which one the better thread emplemented thread or extended ?

4 Answers   Fidelity,

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What is data abstraction? Elaborate with example?

4 Answers   BMC, TCS,

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what questions are been asked ??? for interview in apti

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Which of the following can be referenced by a variable? A. The instance variables of a class only B. The methods of a class only C. The instance variables and methods of a class

2 Answers  

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What is the difference between an argument and a parameter?

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Why call by value prevents parameter value change?

0 Answers  

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