What is the technique adopted to create an immutable class?

0 Answers  

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What collections you have worked on? Internal working of Hashmap?

1 Answers   Bravura Solutions,

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What is the difference between double and float variables in java?

0 Answers  

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What is a numeric string?

0 Answers  

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wahts is mean by thread?

22 Answers   HCL, TCS,

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In a container there are 5 components. I want to display all the component names, how will you do that?

0 Answers  

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What is an Applet ?

2 Answers  

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What are static blocks in java ?

0 Answers  

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solve this is my problem byte a=40,byte b=50 both add value is 90 this is with in range of byte... byte range is -128to 127.... why this pgm gives error like type mismatch.... package javapgms; public class byte1 { public static void main(String args[]) { byte a=40,b=50; byte c=a+b; System.out.println(c); } } note : dont use int k... a,b,c are in byte range... mind it..

2 Answers  

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What are the steps to do connection pooling in weblogic?

1 Answers   TCS,

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What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.

6 Answers   iFlex, Sapient,

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What is CardLayout?

1 Answers   Infosys,

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