Is null a string in java?
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Can you override a private or static method in java?
What is the maximum length of a url?
What is the difference between arraylist and hashset in java?
What is charat ()?
what is difference between global methods and local methods?
What is locale?
What is a dot notation?
what is the difference between String s="hello"; and String s=new String("hello");?
Is nullpointerexception checked or unchecked?
What is structure of java heap? What is perm gen space in heap?
What is meant by javabeans?
When do I need to use reflection feature in java?