diff --git a/bulan.java b/bulan.java
new file mode 100644
index 0000000..2d0642a
--- /dev/null
+++ b/bulan.java
@@ -0,0 +1,58 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package blibli;
+
+/**
+ *
+ * @author Ghozi AW
+ */
+public class bulan {
+
+    public static void main(String[] args) {
+        int bulan=5;
+        switch (bulan) {
+            case 1:
+                System.out.println("Januari");
+                break;
+            case 2:
+                System.out.println("Februari");
+                break;
+            case 3:
+                System.out.println("Maret");
+                break;
+            case 4:
+                System.out.println("April");
+                break;
+            case 5:
+                System.out.println("Mei");
+                break;
+            case 6:
+                System.out.println("Juni");
+                break;
+            case 7:
+                System.out.println("Juli");
+                break;
+            case 8:
+                System.out.println("Agustus");
+                break;
+            case 9:
+                System.out.println("September");
+                break;
+            case 10:
+                System.out.println("Oktober");
+                break;
+            case 11:
+                System.out.println("November");
+                break;
+            case 12:
+                System.out.println("Desember");
+                break;
+            default:
+                throw new AssertionError();
+        }
+    }
+    
+}
diff --git a/faktorial.java b/faktorial.java
new file mode 100644
index 0000000..8184bba
--- /dev/null
+++ b/faktorial.java
@@ -0,0 +1,17 @@
+package blibli;
+
+import java.util.Scanner;
+
+public class faktorial {
+
+    public static void main(String[] args) {
+        Scanner input=new Scanner(System.in);
+        int numb=input.nextInt();
+        int numtemp=1;
+        for (int i = 1; i <= numb; i++) {
+            numtemp=numtemp*(i);
+            System.out.println(numtemp);
+        }
+    }
+    
+}
diff --git a/faktorialrekursif.java b/faktorialrekursif.java
new file mode 100644
index 0000000..902c7f1
--- /dev/null
+++ b/faktorialrekursif.java
@@ -0,0 +1,25 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package blibli;
+
+/**
+ *
+ * @author Ghozi AW
+ */
+public class faktorialrekursif {
+
+    public static void main(String[] args) {
+        System.out.println(rekursif(5));
+    }
+    
+    static int rekursif(int angka){
+        if (angka==0) {
+            return 1;
+        }else{
+        return angka*rekursif(angka-1);
+        }
+    }
+}
diff --git a/kabisat.java b/kabisat.java
new file mode 100644
index 0000000..ca8c0bf
--- /dev/null
+++ b/kabisat.java
@@ -0,0 +1,53 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package blibli;
+
+import java.util.Scanner;
+
+/**
+ *
+ * @author Ghozi AW
+ */
+public class kabisat {
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+        Scanner input=new Scanner(System.in);
+        System.out.print("Bulan : ");
+        int bulan=input.nextInt();
+        System.out.print("Tahun : ");
+        int tahun=input.nextInt();
+        switch (bulan) {
+            case 2:
+                if ((tahun%4==0)&&(tahun%100!=0)) {
+                    System.out.println("29");
+                }else{
+                    System.out.println("28");
+                }
+                break;
+            case 1:
+            case 3:
+            case 5:
+            case 7:
+            case 8:
+            case 10:
+            case 12: 
+                System.out.println("31");
+                break;
+            case 4:
+            case 6:
+            case 9:
+            case 11:
+                System.out.println("30");
+                break;                
+            default:
+                throw new AssertionError();
+        }
+    }
+    
+}
diff --git a/score.java b/score.java
new file mode 100644
index 0000000..6fdc87c
--- /dev/null
+++ b/score.java
@@ -0,0 +1,21 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package blibli;
+
+import java.util.Scanner;
+
+/**
+ *
+ * @author Ghozi AW
+ */
+public class score{
+    public static void main(String[] args) {
+        int score=100;
+        if (score>80) {
+            System.out.println("A");
+        }         
+    }   
+}
diff --git a/sorting.java b/sorting.java
new file mode 100644
index 0000000..718c0bb
--- /dev/null
+++ b/sorting.java
@@ -0,0 +1,28 @@
+package blibli;
+
+import java.util.Scanner;
+
+public class sorting {
+    public static void main(String[] args) {
+        Scanner in=new Scanner(System.in);
+        System.out.print("Panjang array : ");
+        int panjang=in.nextInt();
+        int[] array=new int[panjang];
+        for (int i = 0; i <array.length; i++) {
+            System.out.print("Nilai ke-"+i+" : ");
+            array[i]=in.nextInt();
+        }
+        for (int i = array.length-1; i >0; i--) {
+            for (int j = 0; j < i; j++) {
+                if (array[j]>array[j+1]) {
+                    int temp=array[j];
+                    array[j]=array[j+1];
+                    array[j+1]=temp;
+                }
+            }
+        }
+        for (int i = 0; i < array.length; i++) {
+            System.out.println(array[i]);
+        }
+    }
+}