Interview 5: Implement a function that replaces a space in a string with "%20". For example, when the string is we are Happy. The string after substitution is we%20are%20happy.

Implement a function that replaces a space in a string with "%20". For example, when the string is we are Happy. The string after substitution is we%20are%20happy.Note that the time complexity is O (n), which is replaced by a backward forward.

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Exception: Error:execution failed for task ': App:compiledebugjavawithjavac '. > compilation failed; See the compiler error output for details.

I am also very silent about this exception, because Android Studio does not prompt you for detailed error messages at all.Let's take a look at this blogger: http://blog.csdn.net/runner__1/article/details/53482565I've found the wrong thing to learn

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