diff --git a/fakrekursif.class b/fakrekursif.class
new file mode 100644
index 0000000..4df7ae2
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diff --git a/fakrekursif.java b/fakrekursif.java
new file mode 100644
index 0000000..770f060
--- /dev/null
+++ b/fakrekursif.java
@@ -0,0 +1,16 @@
+public class fakrekursif{
+	
+	public static int faktorial(int n){
+		if(n==1)
+			return 1;
+		else
+			return (n * faktorial(n-1));
+		
+	}
+	
+	public static void main(String[] args)
+	{
+		int value = Integer.parseInt(args[0]);
+		System.out.println(faktorial(value));
+	}
+}
\ No newline at end of file
diff --git a/faktorial.class b/faktorial.class
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index 0000000..ff199c8
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diff --git a/faktorial.java b/faktorial.java
new file mode 100644
index 0000000..ba68493
--- /dev/null
+++ b/faktorial.java
@@ -0,0 +1,14 @@
+public class faktorial
+{
+	public static void main(String[] args)
+	{
+		int value = Integer.parseInt(args[0]);
+		int i =1;
+		int res=1;
+		for(i=1;i<=value;i++)
+		{
+			res *= i;
+		}
+		System.out.println(res);
+	}
+}
\ No newline at end of file
diff --git a/hw.class b/hw.class
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index 0000000..97c3de9
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diff --git a/hw.java b/hw.java
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index 0000000..95c7fce
--- /dev/null
+++ b/hw.java
@@ -0,0 +1,35 @@
+//Abdi Elman D. A.
+//import java.util.*;
+
+public class hw{
+	public static void main(String[] args){
+		//Scanner scaner = new Scanner(System.in);
+		if(args.length != 1){
+			System.out.println("----");
+		}
+		//int score = scaner.nextInt();
+		int score = Integer.parseInt(args[0]);
+		String grade;
+		if(score<=20)
+		{
+			grade = "E";
+		}
+		else if(score > 20 && score <= 40)
+		{
+			grade = "D";
+		}
+		else if(score >40 && score <= 60)
+		{
+			grade = "C";
+		}
+		else if(score >60 && score <=80)
+		{
+			grade = "B";
+		}
+		else{
+			grade = "A";
+		}
+
+		System.out.println(grade);
+	}
+}
\ No newline at end of file
diff --git a/sort.class b/sort.class
new file mode 100644
index 0000000..7e0d1ac
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diff --git a/sort.java b/sort.java
new file mode 100644
index 0000000..ebe960b
--- /dev/null
+++ b/sort.java
@@ -0,0 +1,29 @@
+public class sort{
+	public static void main(String[] args)
+	{
+		int len = args.length;
+		int[] arr;
+		arr = new int[len];
+		for(int i=0; i<len;i++)
+		{
+			arr[i] = Integer.parseInt(args[i]);
+		}
+		for(int i=0;i<len;i++)
+		{
+			int temp = 0;
+			for(int j=0;j<len;j++)
+			{
+				if(arr[i] > arr[j]){
+					temp = arr[i];
+					arr[i] = arr[j];
+					arr[j] = temp;
+				}
+			}
+		}
+
+		for(int i=0; i<len;i++)
+		{
+			System.out.print(arr[i]+" ");
+		}		
+	}
+}
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diff --git a/switch1.class b/switch1.class
new file mode 100644
index 0000000..a37581a
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diff --git a/switch1.java b/switch1.java
new file mode 100644
index 0000000..18ab0fb
--- /dev/null
+++ b/switch1.java
@@ -0,0 +1,41 @@
+
+public class switch1
+{
+	public static void main(String[] args){
+		if(args.length != 1){
+			System.out.println("----");
+		}
+		int m = Integer.parseInt(args[0]);
+		String bulan;
+		switch(m)
+		{
+			case 1 : bulan = "Januari";
+					 break;
+			case 2 : bulan = "Februari";
+					 break;
+			case 3 : bulan = "Maret";
+					 break;
+			case 4 : bulan = "April";
+					 break;
+			case 5 : bulan = "Mei";
+					 break;
+			case 6 : bulan = "Juni";
+					 break;
+			case 7 : bulan = "Juli";
+					 break;
+			case 8 : bulan = "Agustus";
+					 break;
+			case 9 : bulan = "September";
+					 break;
+			case 10 : bulan = "Oktober";
+					 break;
+			case 11 : bulan = "November";
+					 break;
+			case 12 : bulan = "Desember";
+					 break;
+			default : bulan = "Tidak Ada";
+					  break;
+		}
+		System.out.println(bulan);
+	}
+}
\ No newline at end of file
diff --git a/switch2.class b/switch2.class
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diff --git a/switch2.java b/switch2.java
new file mode 100644
index 0000000..92f4d79
--- /dev/null
+++ b/switch2.java
@@ -0,0 +1,43 @@
+public class switch2{
+	public static void main(String[] args){
+		if(args.length < 1){
+			System.out.println("----");
+		}
+		int tahun = Integer.parseInt(args[0]);
+		int bulan = Integer.parseInt(args[1]);
+		int day=0;
+		switch(bulan){
+			case 1 : day = 31;
+					 break;
+			case 2 : if(tahun%4 == 0)
+					 	day = 29;
+					 else
+					 	day = 28;
+					 break;
+			case 3 : day = 31;
+					 break;
+			case 4 : day = 30;
+					 break;
+			case 5 : day = 31;
+					 break;
+			case 6 : day = 30;
+					 break;
+			case 7 : day = 31;
+					 break;
+			case 8 : day = 31;
+					 break;
+			case 9 : day = 30;
+					 break;
+			case 10 : day = 31;
+					 break;
+			case 11 : day = 30;
+					 break;
+			case 12 : day = 31;
+					 break;
+			default : System.out.println("Tidak Ada");
+					  break;
+		}
+		System.out.println(day);
+	}
+
+}
\ No newline at end of file