How to make class immutable

6 Answers  

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What is an Exception ?

10 Answers  

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Map map = new HashMap(2); map.add(“1”,”one”); map.add(“2”,”two”); map.add(“3”,”three”); What will happen at this line?

5 Answers   Rolta,

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Tell me about different OOPS concepts.

0 Answers   Amdocs,

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Which containers use a FlowLayout as their default layout?

3 Answers  

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I have a string like _a01_a02_a03_ and another string like _2_1.5_4_ as input.I want to extract a01,a02... to a string array and 2,1.5,etc to a double array with a01 corresponds to 2 and a02 to 1.5 etc. Need code in core java.. Can you do it?

1 Answers   Cognizant,

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What are the common uses of "this" keyword in java ?

0 Answers  

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What is java Applet?

0 Answers   TCS,

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What are predefined functions?

0 Answers  

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How do you make an arraylist empty in java?

0 Answers  

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What are concepts of OOPS and how are they implemented in Java?

2 Answers   KPIT,

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Define interface?

3 Answers   MindCracker,

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