Contoh-Contoh Program Java beserta output

1.Keyword Break

class ContohBreak{
public static void main(String[] args){
int a=5;
System.out.println("sebelum while");
while(a>=0){
System.out.println("Nilai a: "+i);
if(a==3) break;
a--;
}
System.out.println("sehabis while");
}
}

Output :

sebelum while
Nilai a : 5
Nilai a : 4
Nilai a : 3
Sehabis while

2.Keyword Continue

class ContohContinue{
public static void main(String[] args){
int n=5;
while(n>=0) {
if(n==3) continue;//statement untuk diabaikan
n--;
System.out.println("Nilai n:"+n);
if(n==6) break;
}
}
}

Output :

Nilai n: 4
Nilai n: 3

3.Keyword Return
class Nama{
public String printNama(){
return "My Name is Hilman..";
}
public static void main(String[] args){
Nama org = new Nama();
System.out.println("sebelum panggil method");
System.out.println(org.printNama());
System.out.println("sesudah panggil method");
}
}

Output :

My Name is Hilman
Sesudah panggil method

4.Class

class Biodata{
String nama;
String npm;
String kelas;
}
class Orang{
public static void main(String args[]){
Biodata x;
x = new Biodata();
x.nama ="Hilman";
x.npm ="10107847";
x.kelas ="3KA12";

System.out.println("nama : "+x.nama);
System.out.println("npm : "+x.npm);
System.out.println("kelas : "+x.kelas);
}
}

Output :

nama = Hilman
npm = 10107847
kelas = 3KA12

5.Setter & Getter

class Timbangan {
private int berat;

public int getBerat() {
return berat;
}

public void setBerat(int berat){r
this.berat = berat;
}

}
class trytimbangan{
public static void main(String[] args){
Timbangan TujuhPuluh = new Timbangan();
TujuhPuluh.setBerat(70);
System.out.println(“Berat badanku sekarang”+TujuhPuluh.getNilai());
}
}


Output:
Berat Badanku sekarang 70

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