What is a flag and how does it work?
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Should a main method be compulsorily declared in all java classes?
I have a Arraylist object, it has duplecate values also. Now question is i want delete duplecate data in that objet with out using Set?
explain what is transient variable in java?
How do you calculate roots in java?
What is variable declaration and definition?
Can an arraylist be empty?
I want to print “hello” even before main is executed. How will you acheive that?
Why does java doesnot support multiple inheritance?
What is the list interface?
What do you understand by weak reference?
What are exceptions
How the elements are organized in GridBagLayout?