Java – List – Select Multiple items Example

List displays a list of items. It allows the user to make multiple selections from the given list of items. The list component is added in a scroll pane, so that the long list of items is scrollable. A list is an object of JList class.

Some of the constructors defined by JList class are as follows.

JList ()

JList(Object[] listdata)

where,

listdata represents the array of Object type that displays the elements

import java.applet.Applet; 
 import java.awt.*; 
 import java.awt.event.*; 
 public class JavaExampleMultiSelectInApplet extends Applet implements ActionListener 
      { 
         List Lst; 
         TextField Txt; 
         Button BtnShw; 
         String Slctns[]; 
         public void init(){ 
         Txt = new TextField(40); 
         add(Txt); 
         Lst = new List(4,true); 
         Lst.add("Item One"); 
         Lst.add("Item two"); 
         Lst.add("Item three"); 
         Lst.add("Item Four"); 
         Lst.add("Item five"); 
         Lst.add("Item Six"); 
         Lst.add("Item Seven"); 
         Lst.add("Item Nine"); 
         Lst.add("Item Ten"); 
         add(Lst); 
         BtnShw = new Button("Show Selections"); 
         BtnShw.addActionListener(this); 
         add(BtnShw); 
      } 
         public void actionPerformed(ActionEvent e1) 
          { 
            String OutStrng = new String("You Choose:"); 
            if(e1.getSource() == BtnShw) 
              { 
                  Slctns = Lst.getSelectedItems(); 
                 for(int loopIndx = 0; loopIndx < Slctns.length; loopIndx++) 
                 { 
                        OutStrng += " " + Slctns[loopIndx]; 
                     } 
                        Txt.setText(OutStrng); 
              } 
          } 
  } 
 /*<APPLET  CODE=JavaExampleMultiSelectInApplet.class WIDTH=300  HEIGHT=200 ></APPLET>*/