1. IF
public class fungsiIFELSE extends javax.swing.JFrame {
/**
* Creates new form fungsiIFELSE
*/
int biaya;
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
biaya = Integer.parseInt(jTextField1.getText());
if (biaya>=2400)
{
jTextField2.setText(biaya+" Biaya Lebih Mahal Dari 2400");
}
}
public class fungsiIFELSE extends javax.swing.JFrame {
/**
* Creates new form fungsiIFELSE
*/
int nilai, c;
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
nilai = Integer.parseInt(jTextField3.getText());
c = nilai%8;
if(c==0)
{
jTextField4.setText(nilai+"Habis Di bagi 8");
}
else
if (c!=0)
{
jTextField4.setText(nilai+" Tidak Habis Di Bagi 8");
}
}
3. IF-ELSE-IF
public class fungsiIFELSE extends javax.swing.JFrame {
/**
* Creates new form fungsiIFELSE
*/
int umur;
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
umur =Integer.parseInt(jTextField3.getText());
if (umur<=30)
{
jTextField4.setText("Anda Memasuki Usia Remaja");
}
else
if(umur<=40)
{
jTextField4.setText("Anda Memasuki Usia Lanjut");
}
else
if(umur<=50)
{
jTextField4.setText("Anda Memasuki Usia Tua");
}
else
{
jTextField4.setText("Data Yang Anda Masukkan Salah!!");
}
}
4. Ternary
public class fungsiternary extends javax.swing.JFrame {
/**
* Creates new form ternary
*/
int nilai;
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
int nilai = Integer.parseInt(jTextField1.getText());
String c;
c = nilai >=80? "Selamat Anda Lulus" : "Maaf Anda Ngulang";
jLabel3.setText(String.valueOf(c));
}
}
5. Switch - Case
public class fungsiswitchcase extends javax.swing.JFrame {
/**
* Creates new form fungsiswitchcase
*/
String makanan;
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
makanan = jTextField1.getText();
switch (makanan)
{
case "Darat":
jTextField2.setText("Ayam, Kambing, Sapi");
break;
case "Laut":
jTextField2.setText("Udang, Ikan, Kepiting");
case "Udara":
jTextField2.setText("Burung");
break;
default:
jTextField2.setText("Jenis Makanan Yang Anda Masukkan Salah! ");
}





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