What is the method to expand and collapse nodes in a jtree?
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What is a nested class?
What is the indent key?
which class to use when concatenating strings in a loop.
What does a void function return?
What is the main use of generics in java?
what is the difference b/w PUT and POST method to send data to the server
Program to Find the second largest element in an array.
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Can an integer be a string?
what methods would you overwrite in java.lang.object class?
Why string is popular hashmap key in java?
Which variables are stored in stack?