What is singleton class and how can we make a class singleton?

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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 is race condition ?? (Threading concept) TCS 2 sept10

3 Answers   SparkTG, TCS,

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Suppose there is an Online shopping cart application having different objects like Cart, SelectionItem, Billing, COnfiguration, Authentication, Authorization, PersonalDetails etc. Out of this which one can be made a singleton pattern and why?

2 Answers   RBS,

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What are the advantages of arraylist over arrays?

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what is predefined function in java?

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Explain treeset?

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Is stringwriter thread safe?

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What is file in java?

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When we give defination of interface method in the class why method must be public???

2 Answers  

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In which order the iterator iterates over collection?

0 Answers  

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If two threads call a static method at the same point of time, what will happen?

3 Answers   KPIT,

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