What is an iterator interface in java programming?

536

Explain about oops concepts.

634

How do you escape in java?

577

make a method which any number and any type of argument and print sum of that arguments.....

1377

What is difference between float and double?

501

What is the difference between a switch statement and an if statement?

515

What is the purpose of main function in java?

535

What is module with example?

512

What are invisible components?.

1677

What does g mean in regex?

562

What is byte [] in java?

534

How can we avoid including a header more than once?

610

What is pass by value?

512

What is thread pool? How can we create thread pool in java?

620

What is stringwriter?

537