100个java小例子

				import javax.swing.*;
				
				public class CDELookAndFeel{
					
				  public static void main(String[] args){
				
				    try {
					UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
				    }  
				    catch ( Exception e ) {
					    System.out.println ("Unexpected error. \nProgram Terminated");
					    e.printStackTrace();
					    System.exit(0);
				    }
				    new MainFrame();
				  } // end of main
				}//end of class CDELookAndFeel