What is arraylist class in java?
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why the primitive data type have classes?
What are the two types of java?
What is called module?
What is the Difference between Final Class && Abstract Class?
Why Static variable required in java?For ex,class A { static int a; int b; } Why static is required?
Can we declare a static variable inside a method?
Is stringwriter thread safe?
What is the covariant return type?
Explain creating threads by implementing runnable class?
What is difference between core java and java ee?
What does localhost mean?
Why do we declare a class static?