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    What is the hashCode method used for in Java?

    Core Java

    Explain inheritance with Examples.

    Core Java

    What is Method Overloading?

    Core Java

    Can super class reference variable can hold an object of sub class?

    Core Java

    Is Multiple Inheritance allowed in Java?

    Core Java

    Difference between Dropping,Truncating and Delete Operation in Database

    Database

    Difference between Primary Key and Unique Key.?

    Database

    Difference between Having and Where Clause

    Database

    What are Trigger ? How to invoke a trigger on Demands?

    Database

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