Can we sort hashmap in java?
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Is set thread safe java?
How do you invoke a method?
Can a constructor call another constructor?
What are the advantages of packages in java?
What are the three parts of a lambda expression?
Explain the differences between public, private, protected and static?
Why does java not allow multiple public classes in a java file ?
What is remote method invocation (rmi)?
What is method with example?
What is var keyword ?
What is difference between final and immutable?
How Marker Interfaces are instruct to complete the desired need ?