diff --git a/1941720240_Addina Nurul Mawaddah/interfacelatihan/IBerprestasi.java b/1941720240_Addina Nurul Mawaddah/interfacelatihan/IBerprestasi.java
new file mode 100644
index 0000000..40f95ae
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/interfacelatihan/IBerprestasi.java	
@@ -0,0 +1,6 @@
+package interfacelatihan;
+
+public interface IBerprestasi {
+    public abstract void menjuaraiKompetisi();
+    public abstract void membuatPublikasiIlmiah();
+}
diff --git a/1941720240_Addina Nurul Mawaddah/interfacelatihan/ICumlaude.java b/1941720240_Addina Nurul Mawaddah/interfacelatihan/ICumlaude.java
new file mode 100644
index 0000000..30053fd
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/interfacelatihan/ICumlaude.java	
@@ -0,0 +1,6 @@
+package interfacelatihan;
+
+public interface ICumlaude {
+    public abstract void lulus();
+    public abstract void meraihIPKTinggi();
+}
diff --git a/1941720240_Addina Nurul Mawaddah/interfacelatihan/Interfacemain.java b/1941720240_Addina Nurul Mawaddah/interfacelatihan/Interfacemain.java
new file mode 100644
index 0000000..91bb559
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/interfacelatihan/Interfacemain.java	
@@ -0,0 +1,17 @@
+package interfacelatihan;
+
+public class Interfacemain {
+    public static void main(String[] args) {
+        Rektor pakRektor = new Rektor();
+        
+//        Mahasiswa mahasiswaBiasa = new
+//        Mahasiswa("Charlie");
+        Sarjana sarjanaCumlaude = new Sarjana("Dini");
+        PascaSarjana masterCum  = new PascaSarjana("Elok");
+        
+//        PascaSarjana("Elok");
+        // pakRektor.beriSertifikatCumlaude(mahasiswaBiasa);
+       // pakRektor.beriSertifikatMawapres(sarjanaCum);
+        pakRektor.beriSertifikatMawapres(masterCum);
+}
+}
diff --git a/1941720240_Addina Nurul Mawaddah/interfacelatihan/Mahasiswa.java b/1941720240_Addina Nurul Mawaddah/interfacelatihan/Mahasiswa.java
new file mode 100644
index 0000000..627281b
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/interfacelatihan/Mahasiswa.java	
@@ -0,0 +1,14 @@
+package interfacelatihan;
+
+public class Mahasiswa {
+    protected String nama;
+    
+    public Mahasiswa(String nama){
+        this.nama = nama;
+    }
+    
+    public void kuliahDikampus(){
+        System.out.println("Aku mahasiswa, namaku " + this.nama);
+    System.out.println("Aku berkuliah dikampus.");
+    }
+}
diff --git a/1941720240_Addina Nurul Mawaddah/interfacelatihan/PascaSarjana.java b/1941720240_Addina Nurul Mawaddah/interfacelatihan/PascaSarjana.java
new file mode 100644
index 0000000..7c49b7c
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/interfacelatihan/PascaSarjana.java	
@@ -0,0 +1,27 @@
+package interfacelatihan;
+
+public class PascaSarjana extends Mahasiswa implements ICumlaude, IBerprestasi{
+    public PascaSarjana(String nama){
+        super(nama);
+    }
+
+    @Override
+    public void lulus(){
+        System.out.println("Aku sudah menyelesaikan TESIS");
+    }
+
+    @Override
+    public void meraihIPKTinggi(){
+        System.out.println("IPK-ku lebih dari 3,71");
+    }
+    
+    @Override
+    public void menjuaraiKompetisi(){
+        System.out.println("Ssaya telah menjuarai kompetisi INTERNASIONAL");
+    }
+
+    @Override
+    public void membuatPublikasiIlmiah(){
+        System.out.println("Saya menerbitkan artikel di jurnal INTERNASIONAL");
+    }
+}
diff --git a/1941720240_Addina Nurul Mawaddah/interfacelatihan/Rektor.java b/1941720240_Addina Nurul Mawaddah/interfacelatihan/Rektor.java
new file mode 100644
index 0000000..5e256cb
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/interfacelatihan/Rektor.java	
@@ -0,0 +1,20 @@
+package interfacelatihan;
+
+public class Rektor {
+    public void beriSertifikatCumlaude(ICumlaude mahasiswa){
+        System.out.println("Saya REKTOR, memberikan sertifikat cumlaude");
+        System.out.println("Selamat! bagaimana anda bisa cumlaude?");
+
+        mahasiswa.lulus();
+        mahasiswa.meraihIPKTinggi();
+        System.out.println("------------------------------------------");
+    }
+    
+    public void beriSertifikatMawapres(IBerprestasi mahasiswa){
+        System.out.println("Saya REKTOR, memberikan sertifikat MAWAPRESS");
+        System.out.println("Selamat! bagaimana anda bisa berprestasi?");
+        mahasiswa.menjuaraiKompetisi();
+        mahasiswa.membuatPublikasiIlmiah();
+        System.out.println("------------------------------------------");
+    }
+}
diff --git a/1941720240_Addina Nurul Mawaddah/interfacelatihan/Sarjana.java b/1941720240_Addina Nurul Mawaddah/interfacelatihan/Sarjana.java
new file mode 100644
index 0000000..3ba346e
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/interfacelatihan/Sarjana.java	
@@ -0,0 +1,17 @@
+package interfacelatihan;
+
+public class Sarjana extends Mahasiswa implements ICumlaude{
+    public Sarjana(String nama){
+        super(nama);
+    }
+
+    @Override
+    public void lulus(){
+        System.out.println("Aku sudah menyelesaikan SKIRPSI");
+    }
+
+    @Override
+    public void meraihIPKTinggi(){
+        System.out.println("IPK-ku lebih dari 3,51");
+    }
+}
diff --git a/1941720240_Addina Nurul Mawaddah/tugasinterface/Binatang.java b/1941720240_Addina Nurul Mawaddah/tugasinterface/Binatang.java
new file mode 100644
index 0000000..2fbd994
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/tugasinterface/Binatang.java	
@@ -0,0 +1,29 @@
+package tugasinterface;
+
+public abstract class Binatang {
+    protected String nama;
+    protected int jmlKaki;
+
+    public Binatang(String nama, int jmlKaki) {
+        this.nama = nama;
+        this.jmlKaki = jmlKaki;
+    }
+
+    public String getNama() {
+        return nama;
+    }
+
+    public void setNama(String nama) {
+        this.nama = nama;
+    }
+
+    public int getJmlKaki() {
+        return jmlKaki;
+    }
+
+    public void setJmlKaki(int jmlKaki) {
+        this.jmlKaki = jmlKaki;
+    }
+    
+    public abstract void displayBinatang();
+}
diff --git a/1941720240_Addina Nurul Mawaddah/tugasinterface/Gorilla.java b/1941720240_Addina Nurul Mawaddah/tugasinterface/Gorilla.java
new file mode 100644
index 0000000..3cf292a
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/tugasinterface/Gorilla.java	
@@ -0,0 +1,31 @@
+package tugasinterface;
+
+public class Gorilla extends Binatang implements Karnivora, Herbivora{
+    private String suara;
+    private String warnaBulu;
+
+    public Gorilla(String suara, String warnaBulu, String nama, int jmlKaki) {
+        super(nama, jmlKaki);
+        this.suara = suara;
+        this.warnaBulu = warnaBulu;
+    }
+    
+    @Override
+    public void displayMakan() {
+        System.out.println("Jenis   : Karnivora + Herbivora");
+        System.out.println("Makanan : Daging + Tumbuhan");
+    }
+    
+    @Override
+    public void displayBinatang(){
+        System.out.println("Nama        : " + this.nama);
+        System.out.println("Jumlah Kaki : " + this.jmlKaki);
+    }
+    
+    public void diplayData(){
+        System.out.println("Suara        : " + this.suara);
+        System.out.println("Warna Bulu   : " + this.warnaBulu);
+    }
+
+    
+}
diff --git a/1941720240_Addina Nurul Mawaddah/tugasinterface/Herbivora.java b/1941720240_Addina Nurul Mawaddah/tugasinterface/Herbivora.java
new file mode 100644
index 0000000..bc16b22
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/tugasinterface/Herbivora.java	
@@ -0,0 +1,5 @@
+package tugasinterface;
+
+public interface Herbivora {
+    public abstract void displayMakan();
+}
diff --git a/1941720240_Addina Nurul Mawaddah/tugasinterface/Karnivora.java b/1941720240_Addina Nurul Mawaddah/tugasinterface/Karnivora.java
new file mode 100644
index 0000000..aaa7b4c
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/tugasinterface/Karnivora.java	
@@ -0,0 +1,5 @@
+package tugasinterface;
+
+public interface Karnivora {
+    public abstract void displayMakan();
+}
diff --git a/1941720240_Addina Nurul Mawaddah/tugasinterface/Keledai.java b/1941720240_Addina Nurul Mawaddah/tugasinterface/Keledai.java
new file mode 100644
index 0000000..5115950
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/tugasinterface/Keledai.java	
@@ -0,0 +1,30 @@
+package tugasinterface;
+
+public class Keledai extends Binatang implements Herbivora{
+    private String suara;
+    private String warnaBulu;
+
+    public Keledai(String suara, String warnaBulu, String nama, int jmlKaki) {
+        super(nama, jmlKaki);
+        this.suara = suara;
+        this.warnaBulu = warnaBulu;
+    }
+    
+    @Override
+    public void displayMakan() {
+        System.out.println("Jenis   : Herbivora");
+        System.out.println("Makanan : Tumbuhan");
+    }
+    
+    @Override
+    public void displayBinatang(){
+        System.out.println("Nama        : " + this.nama);
+        System.out.println("Jumlah Kaki : " + this.jmlKaki);
+    }
+    
+    public void diplayData(){
+        System.out.println("Suara        : " + this.suara);
+        System.out.println("Warna Bulu   : " + this.warnaBulu);
+    }
+
+}
diff --git a/1941720240_Addina Nurul Mawaddah/tugasinterface/Mainbinatang.java b/1941720240_Addina Nurul Mawaddah/tugasinterface/Mainbinatang.java
new file mode 100644
index 0000000..105ef2e
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/tugasinterface/Mainbinatang.java	
@@ -0,0 +1,24 @@
+package tugasinterface;
+
+public class Mainbinatang {
+    public static void main(String[] args) {
+        Keledai kl = new Keledai("hehehehe", "Abu-abu", "Keledai", 4);
+        Gorilla gl = new Gorilla("haaum hauumm", "Hitam Manis", "Gorilla", 4);
+        Singa sg = new Singa("Roarrr roarrr", "Coklat", "Singa", 4);
+        
+        kl.displayMakan();
+        kl.displayBinatang();
+        kl.diplayData();
+        System.out.println("");
+        
+        gl.displayMakan();
+        gl.displayBinatang();
+        gl.diplayData();
+        System.out.println("");
+        
+        sg.displayMakan();
+        sg.displayBinatang();
+        sg.diplayData();
+        
+    }
+}
diff --git a/1941720240_Addina Nurul Mawaddah/tugasinterface/Singa.java b/1941720240_Addina Nurul Mawaddah/tugasinterface/Singa.java
new file mode 100644
index 0000000..1df2b89
--- /dev/null
+++ b/1941720240_Addina Nurul Mawaddah/tugasinterface/Singa.java	
@@ -0,0 +1,30 @@
+package tugasinterface;
+
+public class Singa extends Binatang implements Karnivora{
+    private String suara;
+    private String warnaBulu;
+
+    public Singa(String suara, String warnaBulu, String nama, int jmlKaki) {
+        super(nama, jmlKaki);
+        this.suara = suara;
+        this.warnaBulu = warnaBulu;
+    }
+
+    @Override
+    public void displayMakan() {
+        System.out.println("Jenis   : Karnivora");
+        System.out.println("Makanan : Daging");
+    }
+    
+    @Override
+    public void displayBinatang(){
+        System.out.println("Nama        : " + this.nama);
+        System.out.println("Jumlah Kaki : " + this.jmlKaki);
+    }
+    
+    public void diplayData(){
+        System.out.println("Suara        : " + this.suara);
+        System.out.println("Warna Bulu   : " + this.warnaBulu);
+    }
+    
+}