What is the disadvantage of synchronization?

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Why null interfaces are used in Java?

2 Answers  

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Hi Friends, Can u give few interview questions which relates ArrayList and Hashmap. I mean how to link ArrayList and HashMap.I know this is not good way of asking questions like this , but i need

1 Answers   Microsoft, Wipro,

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Can a private method of a superclass be declared within a subclass?

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public class Test { public static void main(String ar[]) { Integer a = 10; Integer b =10; Integer c = 145; Integer d = 145; System.out.println(a==b); System.out.println(c==d); } }

7 Answers   iGate,

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What is advantage of using threads?

2 Answers   BMC,

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What is the purpose of a default constructor?

0 Answers  

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Does list maintain insertion order java?

0 Answers  

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What is return type in java?

0 Answers  

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Is empty .java file name a valid source file name?

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Which Component subclass is used for drawing and painting?

1 Answers  

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What are the differences between checked exception and unchecked exception?

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