Is void a data type in java?
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What is primitive array?
Can we use synchronized block for primitives?
what is mean by overriding in which situation we wil use?
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When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?
What is collection api?
Define reflection.
What are assembly attributes?
Why are there no global variables in java?
What does ide stand for?
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.
Can we create more than one object singleton class?
what is difference between perfom() & excute() ?