Contoh asosiasi dalam Java

class Mhs {
String nama;
int umur;
public Mhs(String n, int u) {
nama=n;umur=u;
}
void display() {
System.out.print(nama+” “+umur);
}
}

—————
class Mk {
String nama;
int sks;
public Mk(String n,int u) {
nama=n;sks=u;
}
void display() {
System.out.print(” “+nama+” “+sks);
}
}
—————————-
class Reg {
Mhs m;
Mk k;
public Reg(Mhs m, Mk k) {
this.m=m;
this.k=k;
}
public void display() {
m.display();
k.display();
}
public static void main(String[] a) {
Mhs m1=new Mhs(“Budi”,20);
Mhs m2=new Mhs(“Dewi”,18);
Mk k1=new Mk(“PTI”,2);
Mk k2=new Mk(“PSI”,3);
Reg r1=new Reg(m1,k1);
Reg r2=new Reg(m1,k2);
Reg r3=new Reg(m2,k1);
Reg r4=new Reg(m2,k2);
r1.display();
r2.display();
r3.display();
r4.display();
}
}

sumber : Pak Tedjo Darmanto.