reverse a string - Android java.lang

Android examples for java.lang:String Algorithm

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Description

reverse a string

Demo Code

import android.text.SpannableString;
import android.text.Spanned;
import android.text.SpannedString;
import android.text.TextUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class Main{

    public static String reverse(String input) {
        StringBuilder output = new StringBuilder();
        for (int i = input.length() - 1; i >= 0; i--) {
            output.append(input.charAt(i));
        }//from  w ww .j av a 2  s .  c  om
        return output.toString();
    }

}

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