What is difference between iterator and enumeration in java?
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What is the difference between Checked and Unchecked exception? Give some examples
What is java life cycle?
Can a class be declared as protected?
What is thread count in java?
Which containers use a flowlayout as their default layout in java programming?
What is final keyword in java?
What type of variable is error flag?
Howmany number of objects we can store in an ArrayList. Is there any limit?
How big is a gigabyte?
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 occurs when an object is constructed?
Any one can explain how the inerface uses in java. give with example.