title: want to solve this simple one in java for each loop
body: <pre><code> for (float f: values)
      {
          int a=(int) (f*255);
          builder.append(' ')
                 .append(a+",");
      }
  </code></pre>
  
  <p>values is array of float type builder is StringBuilder type on every call I have 3 float values in values array I am trying to append 'a' to builder and ',' here what I am getting is like (255,145,234,) but what I want is like this(255,145,234) I want to omit the last comma your Help is quite helpful to me Thanks.</p>