diff --git a/IndexPoint.java b/IndexPoint.java
index 8b13789..bc3b572 100644
--- a/IndexPoint.java
+++ b/IndexPoint.java
@@ -1 +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 IndexPoint;
+
+import java.util.Scanner;
+
+
+
+
+
+/**
+ *
+ * @author A455ld
+ */
+public class IndexPoint {
+    
+    public static void main(String[] args) {
+    Scanner score = new Scanner (System.in);
+    int cekgrade;
+    int nilaiUTS;
+    int nilaiUAS;
+    int nilaiQuiz; 
+    
+        System.out.println("Masukkan Score");
+        
+        System.out.println("Masukkan nilai UTS :");
+        nilaiUTS = score.nextInt();
+        System.out.println("Masukkan nilai UAS :");
+        nilaiUAS = score.nextInt();
+        System.out.println("Masukkan nilai Quiz :");
+        nilaiQuiz = score.nextInt();
+        
+        if ((nilaiUTS * 0.35 + nilaiUAS * 0.40 + nilaiQuiz * 0.25) >= 85 ){
+            System.out.println("excellent");
+        
+        }else if ((nilaiUTS * 0.35 + nilaiUAS * 0.40 + nilaiQuiz * 0.25) >= 75 ){
+            System.out.println("Verry Good");
+            
+        }else if ((nilaiUTS * 0.35 + nilaiUAS * 0.40 + nilaiQuiz * 0.25) >= 65 ){
+            System.out.println("Good");
+            
+        }else if ((nilaiUTS * 0.35 + nilaiUAS * 0.40 + nilaiQuiz * 0.25) >= 50 ){
+            System.out.println("Accepted");
+            
+        }else if ((nilaiUTS * 0.35 + nilaiUAS * 0.40 + nilaiQuiz * 0.25) <= 49 ){
+            System.out.println("Failed");
+        }
+        
+        
+        
+    }
+    
+    
+}
 
diff --git a/PrimeNumber.java b/PrimeNumber.java
index 8b13789..a69a43c 100644
--- a/PrimeNumber.java
+++ b/PrimeNumber.java
@@ -1 +1,26 @@
+/*
+ * 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 PrimeNumber;
 
+/**
+ *
+ * @author A455ld
+ */
+public class PrimeNumber {
+    public static void main(String[] args) {
+        int i,k;
+        for (int j = 2; j < 20; j++) {
+            for (int l = 2; l <= (j/2); l++) 
+                
+              if((j%l)==0) break;
+           
+                
+                System.out.println(j);
+            
+            
+        }
+    }
+}
diff --git a/TemperatureConvert.java b/TemperatureConvert.java
index e69de29..d691800 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 TemperatureConvert;
+
+import java.util.Scanner;
+
+/**
+ *
+ * @author A455ld
+ */
+public class TemperatureConvert {
+    public static void main(String[] args) {
+        Scanner derajat = new Scanner (System.in);  
+        double ceksuhu ;
+      
+        
+     System.out.println("tentukan suhu saat ini (celcius):");
+     ceksuhu = derajat.nextDouble();
+              
+            System.out.println("pilihan konversi");
+            System.out.println("[1]fahrenheit\n[2]kelvin\n[3]rheamur");
+            int pk = derajat.nextInt();
+            
+            
+         
+            
+         if (pk==1){
+             ceksuhu = ceksuhu * 9/5 + 32;
+             System.out.println("hasil : "+ceksuhu);
+             
+        }else if (pk==2){
+            
+            ceksuhu = ceksuhu + 273.15;
+             System.out.println("hasil : "+ceksuhu);
+             
+        }else if (pk==3){
+            
+            ceksuhu = ceksuhu * 0.8;
+            System.out.println("hasil : "+ceksuhu);
+        }
+    
+         
+    }
+      
+}