What is use of arraylist in java?
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What is string data type?
Are generics important java?
Consider that class classA, abstract class classB, and final classC have been defined.Which one of the following is correct? 1. classA extends classC implements classB 2. class A extends classB, classC 3. classA extends classB 4. classB implements classC
Should a main method be compulsorily declared in all java classes?
What happens when a class is made static like if a field or member is made static it becomes class variable and is shared by all the object of the class?
What is the symbol for average?
What is the difference between iterator and list iterator?
What is the function of log?
Why is the main method static in Java?
What are abstract classes and anonymous classes?
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Is java same as core java?
How many boolean functions are there?