Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?
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Explain the concept of hashtables?
I want my class to be developed in such a way that no other class (even derived class) can create its objects. Define how can I do so?
What is java and its types?
What is jagged array in java?
Is java call by value?
Difference between Map & Hashmap
What methods are called, When we navigate from one applet to another applet?
Can string be considered as a keyword?
How many types of methods are there?
What does regex mean?
What is multiple inheritance? Is it supported by java?
finalize() method?