title: Put containers within Grid Layout
body: <p>I am relatively new to programming java GUI's and I wanted to use the grid layout and put a container within that grid layout. I am not really sure how to do it but here is what I tried and it didn't work:</p>
  
  <pre><code>    Container pane = getContentPane();
      pane.setLayout(new GridLayout(3, 1));
      Container inp = getContentPane();
      inp.setLayout(new GridLayout(2, 4));
      Container out = getContentPane();
      out.setLayout(new GridLayout(1, 1));
      Container bottom = getContentPane();
      bottom.setLayout(new GridLayout(1, 2));
  
      pane.add(inp);
      pane.add(out);
      pane.add(bottom);
  
      inp.add(cn1);
      inp.add(cnum1);
      inp.add(cn2);
      inp.add(cnum2);
      inp.add(add);
      inp.add(sub);
      inp.add(mul);
      inp.add(div);
  
      out.add(ans);
  
      bottom.add(clear);
      bottom.add(exit);
  
      pane.add(inp);
      pane.add(out);
      pane.add(bottom);
  </code></pre>
  
  <p>I know that this is wrong but I hope someone can help me. Thanks!</p>