47 lines
1.2 KiB
Java
47 lines
1.2 KiB
Java
package Others;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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/**
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* This method produces a reversed version of a string
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*
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* @author Unknown
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*/
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public class ReverseString {
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/**
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* This method reverses the string str and returns it
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*
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* @param str String to be reversed
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* @return Reversed string
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*/
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public static String reverse(String str) {
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if (str == null || str.isEmpty()) return str;
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char[] arr = str.toCharArray();
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for (int i = 0, j = str.length() - 1; i < j; i++, j--) {
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char temp = arr[i];
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arr[i] = arr[j];
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arr[j] = temp;
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}
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return new String(arr);
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}
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/**
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* Main Method
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*
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* @param args Command line arguments
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* @throws IOException Exception thrown because of BufferedReader
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*/
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public static void main(String[] args) throws IOException {
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BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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System.out.println("Enter the string");
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String srr = br.readLine();
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System.out.println("Reverse=" + reverse(srr));
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br.close();
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}
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}
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