Output strings from loop into one string

Question

im trying my best to explain my problem so ber in mind:)
hey having a bit of trouble with outputing strings from loop
example
i typed ab into the textbox
the output should be 12
but since it is in a loop it would only output the last string and in this case is 2
im trying to get both strings from the loop and output strings from loop into one string.
here is some of my code to understand my problem
// characters a to f
     char[] charword = {'a','b','c','d','e','f'};
     String charchange ;
  // get text from password textbox
                      stringpassword = passwordTextbox.getText();
                      try {
                      // loop to show password length
                      for ( int i = 0; i < stringpassword.length(); i++ ){
                      // loop to go through alfabet     
                      for (int it = 0; it < charword.length; it++){
                         // if char equals stringwords
                           if (stringpassword.charAt(i) == charword[it]){
                                System.out.print("it worked");
                                // change characters start with a
                                if (charword[it] == 'a'){
                                     charchange = "1";
                                // change to 2
                                if (charword[it] == 'b'){
                                     charchange = "2";
                                    }

Answer 1

Not sure how you are displaying the result but you could display each value as soon as you find it.
if (charword[it] == 'a'){
    System.out.print("1");
}If it is in a text field then use append. Or if you really need a String with the entire result then use concatenation.
if (charword[it] == 'a'){
    charchange += "1";
}