What is the use of set in java?
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List the three steps for creating an object for a class?
What is arraylist class in java?
What is the use of inner class?
Why java strings are immutable in nature?
Define Wrapper Classes in Java.
How can constructor chaining be done by using the super keyword?
Is java owned by oracle?
Write a regular expression to validate a password. A password must start with an alphabet and followed by alphanumeric characters; its length must be in between 8 to 20.
What does the @override annotation do?
What is return code?
What is formatted output?
What is the difference between a public and a non-public class?