diff --git a/IndexPoint.java b/IndexPoint.java
index 8b13789..79739db 100644
--- a/IndexPoint.java
+++ b/IndexPoint.java
@@ -1 +1,49 @@
 
+/*
+ * 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 No1;
+
+import java.util.Scanner;
+/**
+ *
+ * @author rizkiaulia
+ */
+public class indexnilai 
+{
+     public static void main(String[] args) {
+        Scanner Input = new Scanner (System.in);
+        System.out.print("Masukkan Nilai CLO1  : ");
+        int CLO1 = Input.nextInt();
+        System.out.print("         Nilai CLO2  : ");
+        int CLO2 = Input.nextInt();
+        System.out.print("         Nilai CLO3  : ");
+        int CLO3 = Input.nextInt();
+         
+        int nilai;
+        nilai = (CLO1*25)/100;
+        nilai = nilai+(CLO2*35/100);
+        nilai = nilai+(CLO3*40/100);
+        
+        if (nilai >= 80) {
+            System.out.println("Sangat Bagus");
+        } 
+        else if (nilai >= 70) {
+                System.out.println("Baik sekali");
+        } 
+        else if (nilai >= 60) {
+                    System.out.println("Cukup Baik");
+        }
+        else if (nilai >= 50){
+                        System.out.println("Baik");
+        }
+        else  {
+                        System.out.println("Sangat Jelek");
+        }
+                            
+    }
+}
+    
+
diff --git a/PrimeNumber.java b/PrimeNumber.java
index 8b13789..820e34f 100644
--- a/PrimeNumber.java
+++ b/PrimeNumber.java
@@ -1 +1,45 @@
+/*
+ * 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 No2;
+
+import java.util.Scanner;
+/**
+ *
+ * @author rizkiaulia
+ */
+public class BilanganPrima 
+{
+     public static void main(String[] args) {
+        Scanner Input = new Scanner (System.in);
+        System.out.print("Masukkan Angka: ");
+        int angka = Input.nextInt();
+        
+        boolean prima = true;
+        for (int p=2 ; p < angka ; p++ )
+        {
+            if ((angka % p ) == 0)
+            {
+                 prima = false; 
+                 break;  
+            }   
+        }
+        
+    if (angka == 1) 
+            System.out.print("Angka yang Anda masukkan bukan bilangan prima ");
+
+    else 
+        if (prima)
+
+            System.out.print("Angka yang Anda masukkan bilangan prima ");
+    else
+
+            System.out.print("Angka yang Anda masukkan bukan bilangan prima ");
+    
+    }
+    
+  
+}
 
diff --git a/TemperatureConvert.java b/TemperatureConvert.java
index e69de29..3aec548 100644
--- a/TemperatureConvert.java
+++ b/TemperatureConvert.java
@@ -0,0 +1,48 @@
+/*
+ * 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 No3;
+
+import java.util.Scanner;
+/**
+ *
+ * @author rizkiaulia
+ */
+
+public class TemperaturConvert
+ {
+    public static void main(String[] args)
+ {
+        Scanner Input = new Scanner (System.in);
+        System.out.print("Masukkan Bilangan Celcius : ");
+
+        double derajatcelcius = Input.nextInt();
+        
+        System.out.println("1. Fahrenheit. ");
+        System.out.println("2. Kelvin. ");
+        System.out.println("3. Reamur. ");
+        
+        System.out.print("Pilihan : ");
+        int pilih = Input.nextInt();
+        double x = 0;
+        
+        if (pilih == 1) {
+                x =  (1.8 * derajatcelcius) + 32;
+	} 
+	else if (pilih == 2 ){
+                x = (273 + derajatcelcius);
+	}
+        else if (pilih == 3){
+                x = 0.8 * derajatcelcius;
+        }
+       
+        System.out.println("Hasil : "+x);
+        
+    }
+}
+
+
+    
+}