What are the differences between string, stringbuffer and stringbuilder?
Can we use both this () and super () in a constructor?
Define Multiprogramming and Multiprocessing in java.
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Which containers use a FlowLayout as their default layout?
What are default methods ?
Why are pointers not secure?
How could Java classes direct program messages to the system console, but error messages, say to a file?
What is the multi-catch block in java?
Can you call a method on a null object?
What is jrmp?
What is the difference between interpreter and compiling ?
What are peerless components?
What is meant by Session? Explain something about HTTP Session Class?