Java Programs Made Easy

Q)...Find if a given pattern appears in both the input strings at same postions.
input1: "hh--ww--"
input2: "rt--er--"
output: true(false otherwise)

1. package Set1;
2. public class ClassSet23 {
3.  public static boolean stringPattern(String s1,String s2){
4.   String st1=s1.length()<s2.length()?s1:s2;
5.      String st2=s1.length()>s2.length()?s1:s2;
6.         boolean b=true;
7.         String s=st2.substring(st1.length());
8.      if(s.contains("-"))
9.        b=false;
10.      else{
11.         loop:
12.      for(int i=0;i<st1.length();i++)
13.       if((st1.charAt(i)=='-') || (st2.charAt(i)=='-'))
14.        if(st1.charAt(i)!=st2.charAt(i)){
15.          b=false;
16.          break loop;  }
17.       } 
18.      return b;
19.  }
20.  public static void main(String[] args) {
21.   String s1="he--ll--";
22.   String s2="we--ll--";
23.   boolean b=stringPattern(s1,s2);
24.   if(b==true)
25.    System.out.println("same pattern");
26.   else
27.    System.out.println("different pattern");
28.  }
29. }