BufferedOutputStream in Java

BufferedOutputStream in Java BufferedOutputStream is a class in Java which we can use to write data into the output stream. It uses a buffer to write data instead of directly writing into the file. We can use the FileOutputStream class along with the BufferedOutputStream to write information to the file. …

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Valid Parentheses

In Valid Parentheses problem we have given a string containing just the characters ‘(‘, ‘)’, ‘{‘, ‘}’, ‘[‘ and ‘]’, determine if the input string is valid. An input string is valid if: Open brackets must be closed by the same type of brackets. ( ) [ ] { } …

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