Why is string class considered immutable?


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More Core Java Interview Questions

What are the wrapped, classes?

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Name the components that are termed to be Heavy-weight component but available in Light-weight components?

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Explain purpose of sleep() method in java?

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Which is bigger float or double java?

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2) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?

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What is arraylist e?

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What does exclamation mean in java?

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What are the major advantages of internal iteration over external iteration?

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Is java based on c?

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What is a default package ?

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Which command from the jdk compiles a java program?

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