What is replacefirst in java?
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Can memory leak in java?
What do you mean by aggregation?
Why you should not use singleton?
what is default constructor and parameterised constructor with example?
What is difference between calling start() and run() method of thread?
why java is not supporting multiple inheritence?
what is the role of xml in core java?? and how we can use it?? can somebody give a sample program with explanation and from where i can read more about xml?????
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Will set allow duplicates in java?
when i write string s1="java"; in one program(application) and string s2="java"; in another application on the same jvm will both objects s2,s2 will refer to same memory location where "java" is stored in string pool.
What is a super method?
What is meant by polymorphism?
What is the immediate superclass of the Dialog class?