Someone

import java.lang.*;
public class Oppg2 {
	

	
	
		public String byttUt( String kilde, String ut, String inn )
		  {
			
		
			
			StringBuffer ord = new StringBuffer();
			
			
         if(kilde.length()==inn.length())
          {
        	  System.out.println("BRA");
        	  StringBuffer word = new StringBuffer();
        	  
        	    for(int i = 0; i < kilde.length(); i++)
        	   {
        		     for(int j = 0; j < inn.length(); j++) 
        		     {
        		           if(kilde.charAt(i) == inn.charAt(j))
        		           { 

        		        	   word.append(kilde.charAt(i));
        		        	   ord.append(inn.charAt(j));
                            
        		        		  
        		        	   
        		        	}
        		        	   
        		        	   
        		       }
        		           
        		}
        	    System.out.println(ord + " j");
        	    System.out.println(word + " i");
        		     
        	    
        	    System.out.println("De er like lange BRA!!" );
        	  }
           
         else
        	 System.out.println("De er ikke lange");
         
         return null;
		  }	  
		
		
		
		
}