// TextField¤ÎÎã import java.awt.*; import java.applet.Applet; public class TextFTest extends Applet { TextField tf1,tf2,tf3,tf4; public void init() { tf1 = new TextField(); tf2 = new TextField(20); tf3 = new TextField("Hello"); tf4 = new TextField("Hi",30); add(tf1); add(tf2); add(tf3); add(tf4); } public boolean action(Event e,Object o) { if(e.target instanceof TextField) { if(e.target == tf1){ System.out.println("input data on tf1"); } if(e.target == tf2){ System.out.println("input data on tf2"); } if(e.target == tf3){ System.out.println("input data on tf3"); } if(e.target == tf4){ System.out.println("input data on tf4"); } System.out.println("String: "+o); } return true; } }