diff --git a/IndexPoint.java b/IndexPoint.java
index 8b13789..7abf4c3 100644
--- a/IndexPoint.java
+++ b/IndexPoint.java
@@ -1 +1,32 @@
+package javaapplication1;
+
+import java.util.Scanner;
+
+/**
+ *
+ * @author rakasetya
+ */
+ 
+public class JavaApplication1 {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        System.out.print("masukkan nilai UTS : ");
+        int UTS = input.nextInt();
+        System.out.print("masukkan nilai UAS : ");
+        int UAS = input.nextInt();
+        System.out.print("masukkan nilai Quiz: ");
+        int Quiz = input.nextInt();
+        double NilaiKeseluruhan = 0.35*UTS + 0.4*UAS + 0.25*Quiz;
+        if (NilaiKeseluruhan >=85 && NilaiKeseluruhan<=100)
+            System.out.print("Excelent");
+        else if(NilaiKeseluruhan >=75 && NilaiKeseluruhan <=84)
+            System.out.print("Very Good");
+        else if(NilaiKeseluruhan >=65 && NilaiKeseluruhan <=74)
+            System.out.print("Good");
+        else if(NilaiKeseluruhan >=50 && NilaiKeseluruhan <= 64)
+            System.out.print("Accepted");
+        else    
+            System.out.print("Failed");
+    }
+}
 
diff --git a/PrimeNumber.java b/PrimeNumber.java
index 8b13789..1a149e2 100644
--- a/PrimeNumber.java
+++ b/PrimeNumber.java
@@ -1 +1,33 @@
 
+
+package task2;
+
+import java.util.Scanner;
+
+/**
+ *
+ * @author RakaSetya
+ */
+
+public class Task2 {
+ 
+     public static void main(String[] args) {
+         Scanner input = new Scanner(System.in);
+         System.out.println("Masukkan angka: ");
+         int a = input.nextInt();
+         int b = 0;
+         for (int i = 1;i<=a;i++)
+         {
+             if (a%i==0)
+                 b+=1;
+         }
+             
+         if (b==2) 
+             System.out.println("Angka yang anda Inputkan adalah Bilangan Prima");
+         else
+             System.out.println("Angka yang anda Inputkan adalah Bukan bilangan prima");
+         
+         
+     }
+     
+ }
diff --git a/TemperatureConvert.java b/TemperatureConvert.java
index e69de29..f45a592 100644
--- a/TemperatureConvert.java
+++ b/TemperatureConvert.java
@@ -0,0 +1,50 @@
+
+package task3;
+
+import java.util.Scanner;
+
+/**
+ *
+ * @author RakaSetya
+ */
+
+    public class Task3 {
+        public static void main(String[] args) 
+        {
+            Scanner input = new Scanner(System.in);
+            System.out.print("Masukkan suhu celcius: ");
+            int celcius = input.nextInt();
+            int suhureamur = celcius*4/5;
+            int suhufahrenheit = celcius*9/5+32;
+            int suhukelvin = celcius+273;
+            int menu = 1;
+            while (menu>0)
+            {
+                
+            System.out.println("Menu convert");
+            System.out.println("1. Reamur");
+            System.out.println("2. Fahrenheit");
+            System.out.println("3. Kelvin");
+            System.out.println("0. Exit");
+            System.out.print("Pilih menu : ");
+            menu = input.nextInt();
+            switch (menu)
+            {
+                  case 1: 
+                    System.out.println(suhureamur);
+                     break;
+                     
+                  case 2:
+                    System.out.println(suhufahrenheit);
+                    break;
+                    
+                  case 3:
+                    System.out.println(suhukelvin);
+                    break;
+                    
+            }
+        }
+     
+  }
+ }
+