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I have "Hello World" kept in a String variable named hi.

I need to print it but reversed.

How can I do this? I understand there is some kind of a function already built-in into Java that does that.

1 Answer

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You can try:

new StringBuilder(hi).reverse().toString()

Or, toward versions earlier than JDK 1.5, try java.util.StringBuffer rather than StringBuilder — both possess the same API. StringBuilder is favored nowadays as there's no concurrency matter.

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