What is the difference between replace and replace all?


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What is data movement?

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7) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?

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What is linked hashmap and its features?

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What are the features of java?

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what is the use of servlet engine?

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why we use merge option in hybernate pls give a ex snippet

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Do you know why doesn't the java library use a randomized version of quicksort?

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Why is a constant variable important?

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If I don't provide any arguments on the command line, then what will the value stored in the string array passed into the main() method, empty or null?

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How do you use compareto method?

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