?? kargo_ucret.java
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import java.applet.Applet;import java.awt.*;import java.text.DecimalFormat;public class kargo_ucret extends Applet {public TextField f1,f2,f3,f4;public Label L1; public void init() { f1=new TextField("",10); f2=new TextField("",10); f3=new TextField("",10); f4=new TextField("",10); L1=new Label("Bilgi",Label.CENTER); setLayout(new GridLayout(7,2,1,2)); add(new Label("Uzunluk",Label.LEFT)); add(f1); add(new Label("Geni?lik",Label.LEFT)); add(f2); add(new Label("Derinlik",Label.LEFT)); add(f3); add(new Label("A??rl?k",Label.LEFT)); add(f4); add(new Button("Hesapla")); add(L1); }public boolean action(Event evt,Object arg) {float uzunluk,agirlik;try{if(evt.target instanceof Button){ uzunluk=Float.valueOf(f1.getText()).floatValue()+Float.valueOf(f2.getText()).floatValue()+Float.valueOf(f3.getText()).floatValue();agirlik=Float.valueOf(f4.getText()).floatValue();kararver(uzunluk,agirlik); }}catch(NumberFormatException nfe){L1.setText("Yanl?? giri? yapt?n?z."+nfe.getMessage());}return true;}void kararver(float x,float y) { if(y<10 && x<100){ DecimalFormat a = new DecimalFormat("0.00"); String s = a.format(y*0.5); L1.setText("Ucreti :"+s+"YTL");}else if(y<100 && x<250){ DecimalFormat a = new DecimalFormat("0.00"); String s = a.format(y*0.75); L1.setText("Ucreti :"+s+"YTL");}else if(y>100 || x>250) L1.setText("Paket kargo ile g?nderilmeyecek kadar büyük");}}?? 快捷鍵說明
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