package expression;import javax.swing.UIManager;import java.awt.*;import java.lang.String;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2002</p> * <p>Company: </p> * @author unascribed * @version 1.0 */public class expression {  //Main method  public static void main(String[] args) {    int a=30,b;    int c=a>40?100:200;    if (a>16)        b=160;    else        b=180;    System.out.println("a="+a);    System.out.println("b="+b);    System.out.println("c="+c);    try {      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());    }    catch(Exception e) {      e.printStackTrace();    }    new expression();  }}