Is map ordered in java?
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What is a memory leak in java?
can we overload main method?
Explain the difference between arraylist and linkedlist in java?
Why to use nested classes in java? (Or) what is the purpose of nested class in java?
I want to re-reach and use an object once it has been garbage collected. How it's possible?
How does class forname work in java?
What is difference between equals and hashcode method?
Why is stringbuffer not immutable?
Why there is no call by reference in java?
What is final variable?
What is the difference between the reader/writer class hierarchy and the inputstream/outputstream class hierarchy in java programming?
What type of variable is error flag?