import java.applet.Applet; import java.awt.Button; import java.awt.Color; import java.awt.Label; import java.awt.TextField; //簡易計算機 public class Keianki extends Applet { Label num1Label; Label num2Label; Label kekkaLabel; TextField num1TextField; TextField num2TextField; TextField kekkaTextField; Button keisanButton; Button clearButton; public void init() { // this.setBackground(Color.LIGHT_GRAY); num1Label = new Label("数値1"); add(num1Label); num1TextField = new TextField(15); add(num1TextField); num2Label = new Label("数値1"); add(num2Label); num2TextField = new TextField(15); add(num2TextField); keisanButton = new Button(" 計 算 "); add(keisanButton); clearButton = new Button(" クリア "); add(clearButton); kekkaLabel = new Label("結 果"); add(kekkaLabel); kekkaTextField = new TextField(15); add(kekkaTextField); } }