title: how to deselect a checkbox?
body: <p>I want to deselect a checkbox when i click the Clear button. the below code doesn't work.</p>
  
  <pre><code>        jCheckBox1.setSelected(false);
  
          jCheckBox2.setSelected(false);
  
          jCheckBox3.setSelected(false);
  
          jCheckBox4.setSelected(false);
  </code></pre>