What is the difference between procedural and object-oriented programs?
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What is nullpointerexception in java?
what is a package?
What does int [] mean in java?
How can you make sure that your singleton class will always return single instance in multi-threaded environment?
what is the main differene between synchronize() method and Synchronize{}block?
What is internal variable?
Are arrays dynamic in java?
Explain with example the concept of constant variable in java.
Considering notepad/ie or any other thing as process, what will happen if you start notepad or ie 3 times? Where 3 processes are started or 3 threads are started?
can two class in a code be public??if yes then how??
What is sorting algorithm in java?
Is math class static in java?