What is map and hashmap in java?
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Is java util list serializable?
What is static and final keyword in java?
What is this keyword used for?
What is covariant return type?
How a string is stored in memory?
What does opcode mean?
Why do we need to override equals() and hascode() method of object class?
What are the OOAD concepts in java explain with examples?
What is a default package ?
Why use string handling in Java?
Can Exception handling we can handle multiple catch blocks?
When will we use them?