title: java GridBagLayout anchor
body: <p>Learing GridBagLayout, The issue here is, the name label and combox don't show up on the top of the panel, but I have set its anchor to NORTH. Why ?</p>
  
  <pre><code>import java.awt.GridBagConstraints;
  import java.awt.GridBagLayout;
  import java.awt.GridLayout;
  
  import javax.swing.JComboBox;
  import javax.swing.JFrame;
  import javax.swing.JLabel;
  import javax.swing.JPanel;
  import javax.swing.WindowConstants;
  
  public class Test2 {    
      public Test2() {
          JFrame frame = new JFrame();
          frame.setTitle("test");
          frame.getContentPane().setLayout(new GridLayout(1,2));
          frame.setSize(800, 600);
  
          JPanel panel1 = new JPanel();
          panel1.setLayout(new GridBagLayout());
  
          JLabel label = new JLabel("name");
          GridBagConstraints gridBagConstraints = new GridBagConstraints();   
          gridBagConstraints.anchor = GridBagConstraints.NORTH;
          gridBagConstraints.weightx = 0.0;
          gridBagConstraints.weighty = 0.0;
          gridBagConstraints.gridx = 0;
          gridBagConstraints.gridy = 0;
          panel1.add(label, gridBagConstraints);
  
          String[] petStrings = { "Bird", "Cat", "Dog", "Rabbit", "Pig" };
          JComboBox petList = new JComboBox(petStrings);
          gridBagConstraints = new GridBagConstraints();
          gridBagConstraints.anchor = GridBagConstraints.NORTH;
          gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;
          gridBagConstraints.weightx = 1.0;
          gridBagConstraints.weighty = 0.0;
          gridBagConstraints.gridx = 1;
          gridBagConstraints.gridy = 0;
          panel1.add(petList, gridBagConstraints);    
  
          frame.getContentPane().add(panel1);
          frame.getContentPane().add(new JPanel());       
  
          frame.setVisible(true);
          frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);      
      }
  
      public static void main(String[] args) {
          new Test2();
      }
  }
  </code></pre>