Not working

                playerList2=new JList(identList);
//              playerList2.setSize(new Dimension(50,430));
                //playerList2.setLocation(10,10);
//              JScrollPane scrollList =  new JScrollPane(playerList2,ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
                JScrollPane scrollList = new JScrollPane(playerList2);
                scrollList.setSize(new Dimension(100,430));
                scrollList.setLocation(10,10);
                imageArea = new map(getContentPane().getGraphicsConfiguration());
                imageArea.setLocation(140,10);
                imageArea.setSize(new Dimension(350,400));

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Working                playerList2=new JList(identList);
                playerList2.setSize(new Dimension(100,430));
                playerList2.setLocation(10,10);
//              JScrollPane scrollList =  new JScrollPane(playerList2,ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
//              JScrollPane scrollList = new JScrollPane(playerList2);
//              scrollList.setSize(new Dimension(100,430));
//              scrollList.setLocation(10,10);
                imageArea = new map(getContentPane().getGraphicsConfiguration());
                imageArea.setLocation(140,10);
                imageArea.setSize(new Dimension(350,400));