Laporan 3 -Agregasi dan Komposisi

1.     IbuAnak.java
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package ibuanak;

/**
 *
 * @author User
 */
public class IbuAnak {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Manusia ibu1 = new Manusia ("Budi", 30);
        Manusia anak1 = new Manusia ("Ani", 4);
        Manusia ibu2 = new Manusia ("Diana", 40 );
        Manusia anak2 = new Manusia ("Andi", 5, ibu2);
        //Relasi antara Manusia dengan Manusia
                System.out.println("=========================\n");
                ibu1.cetak();
                anak1.cetak();
                System.out.println("=========================\n");
                ibu1.adopsi(anak1);
                ibu1.cetak();
                anak1.cetak();
                System.out.println("=========================\n");
                ibu2.cetak();
                anak2.cetak();
    }
 }

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package ibuanak;

/**
 *
 * @author User
 */
public class Manusia {
   
    private String nama;
    private int umur;
    private Manusia ibu;
    private Manusia anak;
    //Letak asosiasi, kelas anak jadi varabel
    public Manusia () { }
    public Manusia (String nm, int umr)
    {
        nama = nm;
        umur = umr;
        ibu = new Manusia();
        anak = new Manusia ();
        ibu = null;
        anak = null;
    }
    public Manusia (String nm, int umr, Manusia ibu_angkat)
    {
        nama= nm;
        umur = umr;
ibu = new Manusia();
        anak = new Manusia();
        ibu = ibu_angkat;
        ibu_angkat.anak = this;
    }
    public void adopsi(Manusia anak_angkat)
    {
    anak=anak_angkat;
    anak_angkat.ibu=this;
    }
    public void cetak()
    {
    System.out.println("\n DataPribadi -");
    System.out.println("Nama :"+nama);
    System.out.println("Umur"+umur);
    if(ibu!=null)
        System.out.println("Nama ibu :"+ibu.nama);
    else if(anak!=null)
        System.out.println("Nama anak:"+anak.nama);
    }
}

2.    Relasi
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package relasi;

/**
 *
 * @author User
 */
public class Relasi {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Perusahaan Per= new Perusahaan("Nusantara Jaya");
        Pegawai Peg1,Peg2, Peg3;
        Peg1 = new Pegawai("P001","Rudi");
        Peg2 = new Pegawai("P002","Toni");
        Peg3 = new Pegawai("P003","Ani");
       
        Per.insertPegawai(Peg1);
        Per.insertPegawai(Peg2);
        Per.insertPegawai(Peg3);
        System.out.println();
        Per.tampilPer();
    }
   
}

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package relasi;

/**
 *
 * @author User
 */
public class Perusahaan {
    private String namaPer;
    private Pegawai peg[];
    private int counter;
   
    public Perusahaan(String namaPer)
    {
    this.namaPer=namaPer;
    counter=0;
            peg= new Pegawai[3];
            System.out.println("Konstructor Perusahaan dijalankan..");
           
    }
    public void insertPegawai(Pegawai p)
    {
    peg[counter]=p;
    counter++;
    }
    public void tampilPer()
    {
    System.out.println("Perusahaan "+namaPer+"Memiliki Pegawai :");
    for (int i=0;i<counter; i++)
    {
    peg[i].tampilPeg();
    }
    }
   
}
/*
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package relasi;

/**
 *
 * @author User
 */
public class Pegawai {
    private String nama;
    private String NIP;
    public Pegawai()
    {
    System.out.println("Konstructor pegawai dijalankan...");
    }
    public Pegawai(String NIP, String nama)
    {
    this.NIP=NIP;
    this.nama=nama;
    System.out.println("Konstructor Pegawai dijalankan.......");
    }
    public void tampilPeg()
    {
    System.out.println("NIP:"+NIP+", NAMA : "+nama);
    }

}