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douts on convertion from hexa decimal to decimal and some other doubles

 
na garaju
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1.Math.ulp(12.3);getting compiler error why?
2.How to convert hexa decimal to octal and octal to decimal?
3.void show(){
return;//whats the use of this return?
}
4.What is meant by circular references?
5.What is JLS?
6.I doesn't understand the purpose of retainAll()?
7.JVM will terminate when execution came out from main() is it right?
8.In innerclasses why static methods are not allowed?
9.String str="Hello".intern();//What's the purpose of intern();
10.System.exit(0),System.exit(1); what's the difference?
[ August 04, 2005: Message edited by: Barry Gaunt ]
 
Barry Gaunt
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Posts: 7729
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1. Welcome to JavaRanch.
2. Your post is not UGENT to the other members of the forum.
3. Please group your questions separately according to topic, and start a new thread for each topic.
4. I would guess that you are a complete beginner at Java. Please consider if it would be better to post in our Java in General (beginner) forum.
 
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