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Set interface in java Set is an interface which extends the collection. Set is a collection of the...
Collections in Java Arrays are static in nature it means once the size of the array has been...
System class is one of the core class in java. System class is final and all its members...
A string is a class in java available inside a lang package. String object is immutable in nature,...
Java.lang package is a built-in package. This package automatically gets imported to every class of java and it...