When you say String is immutable, what do you mean by that? Say I have String s = "Ness" s= s+"Technologies"; What will happen? If the value gets appended, then what is the meaning of immutable here?

5 Answers   Ness Technologies,

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WHAT IS MARKER INTERFACE,AND NO METHODS IS NOT THERE ON THAT INTERFACE THEN WHY WE USED IN JAVA?

3 Answers   L&T,

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How to perform quicksort in java?

0 Answers  

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What is the += operator called?

0 Answers  

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What is a finally block? Is there a case when finally will not execute?

0 Answers  

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when a request is generated from apache tomcat 5.5 and goes to oracle 10g or mysql,,, how the oracle or mysql reads the request as apache is a web server and oracle 10g is application server? when the oracle 10g provides response, how the apche tomcat reads it???

0 Answers   SAP Labs,

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What is int short for?

0 Answers  

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Explain restrictions on using enum?

0 Answers  

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What is the difference between C++ and Java and your preferences?

0 Answers   Expedia,

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How do you check if a character in a string is a digit or letter?

0 Answers  

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What is user defined exception in Java?

0 Answers   TCS,

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What are the approaches that you will follow for making a program very efficient?

0 Answers  

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