Write a program to Get numbers from String

1. 1.   
   2. public class StringReplace {
   3. 
      
   4. public static void main(String[] args) {
   5. // TODO Auto-generated method stub
   6. String str = "ha656rishwajhd8676676r";
   7. System.out.println("enput string is= "+str);
   9. String strstr;
   10. strstr=str.replaceAll("[a-z]", "");
   11. System.out.println(strstr);
   12. }
   13. 
       
   14. }
   Output:
   6568676676