How do you get the length of a string in java?


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What is the importance of main method in Java?

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There are 2 classes, 1 LandAnimal and another WaterAnimal. There is another class Animal which wants to have the properties of both LandAnimal and WaterAnimal. How will you design this situation?

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What does nullpointerexception mean?

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Can private members of a base class are inheritable justify?

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Can we restart a thread already started in java?

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What is independent and dependent variables in research?

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Define a java class.

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