How can an exception be thrown manually by a programmer?
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What are packages in java?
Explain implementation and how is it different from conversion?
What is the difference between equals() and == in java?
Why is it called buffering?
What are the OOAD concepts in java explain with examples?
Define an abstract class with reference to java.
what is difference between requestprocessor and request dispatcher?
what is the difference between future and callable interface in java?
What is size of int in java?
different types of threads?
class{ ... ... interface myinterface{ ... ... } abstract class{ .. .. } ... .. .. } is this possible to write "Interface and/ or Abstract class inside a class ? if possible whcich one is possible is only interface? is only abstract?
When do we use hashset over treeset?