What is string in java is it a data type?

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How many bytes is a url?

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What is method overloading and method overriding?

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Differentiate between == and equals().

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my method "abc" return array of interface "xyz" and "pqr" is abstract class implements abc and class "jkl" extends pqr My problem 1) when i call abc it retrun array xyz how can i do this hint xyz refer_xyz = new jkl(); but i can't create array. 2)I want to access method of jkl using reference of xyz??

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What are the various access specifiers for java classes?

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Is Java is 100% pure OOPS? Explain?

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What is the difference between an array and an array list?

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what do you understand by synchronization? Or what is synchronization and why is it important? Or describe synchronization in respect to multithreading? Or what is synchronization? : Java thread

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How to convert string to byte array and vice versa?

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What does java se mean?

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What is adapter in java?

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