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Java.util.Set in Java

Set interface in java Set is an interface which extends the collection. Set is a collection of the...

Java.util.List in java

List interface in java The java.util.List is a child interface of Collection. It has index-based methods for insertion and deletion of...

Java.util.package in java

Collections in Java Arrays are static in nature it means once the size of the array has been...

Java.lang.System class in java

System class is one of the core class in java. System class is final and all its members...

Java.lang.String class in java

A string is a class in java available inside a lang package. String object is immutable in nature,...

Java.lang package in java

Java.lang package is a built-in package. This package automatically gets imported to every class of java and it...