Can we have multiple classes in a single file?
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Why to use nested classes in java? (Or) what is the purpose of nested class in java?
How TreeMap sorts the objects inside it?? suppose if have include one employee object and one car object. On what basis it will sort?
What do you mean by composition in java?
Explain importance of finally block in java?
What is the difference between private & public & friendly classes?
Is java a pure object oriented language?
Is multiple inheritance allowed in Java? Why ?
Difference between prefix and postfix forms of the ++operator?
how come we know the object is no more used in the class?
How many types of modifiers are there?
How do you achieve polymorphism in java?
What data type is a string?