Why is string class considered immutable?
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Any one can explain how the inerface uses in java. give with example.
is memory to the abstract class allocated ..or objects not instantiated
Which is better arraylist or vector?
What is adapter class?
What is a pointer and does java support pointers?
What are the advantages of arraylist over arrays?
How will you communicate between two applets?
Tell some latest versions in JAVA related areas?
Marker interface means , interface which has no methods.Then what is the necessity of its usage.I read "it tells the compiler that it should be treated differently ". "It is used to store state of an object". But still am not clear.Please explain clearly.
What is java lang string?
Why main method is static in java?
What is the use of arraylist in java?