printing a string in which it will reverse the words from last - Java Algorithm

Java examples for Algorithm:String

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Description

printing a string in which it will reverse the words from last

Demo Code


/**//from ww w .j  a va2 s .c  o  m
 * pritning a string in which it will reverse the words from last for example :
 * Input : My dream is to start a company Output should be: company a start to
 * is dream My
 * 
 **/

public class Main {

  public static void main(String[] agrs) {
    StringBuffer sb = new StringBuffer();
    StringBuffer out = new StringBuffer();
    String in = " My dream is to start a company";
    int pos = 1;
    sb.append(' ');
    for (int i = in.length() - 1; i >= 0; i--) {
      if (in.charAt(i) != ' ') {
        sb.append(in.charAt(i));
      }
      if (in.charAt(i) == ' ' || i == 0) {
        StringBuffer result = new StringBuffer();
        for (int k = sb.length() - 1; k >= 0; k--) {
          result.append(sb.charAt(k));
        }
        out = out.append(result);
        sb = new StringBuffer();
        sb.append(' ');
      }

    }

    System.out.println(out.toString());
  }
}

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