diff --git a/IndexPoint.java b/IndexPoint.java
index 8b13789..a683ff4 100644
--- a/IndexPoint.java
+++ b/IndexPoint.java
@@ -1 +1,62 @@
+import java.util.Scanner;
+
+public class soalNilai {
+    public static void main (String [] hady){
+        String nama , nim ;
+        char grade;
+        final double n_tugas , n_uts , n_kuis , n_uas , n_akhir;
+        Scanner input = new Scanner (System.in);
+  
+  
+        System.out.print("Masukan nama : ");
+        nama = input.nextLine();
+        System.out.print("Masukan NIM : ");
+        nim = input.nextLine();
+        System.out.print("Nilai kuis : ");
+        n_kuis = input.nextInt();
+        System.out.print("Nilai uts : ");
+        n_uts = input.nextInt();
+        System.out.print("Nilai uas : ");
+        n_uas = input.nextInt();
+        n_akhir = (0.25 * n_kuis + 0.35 * n_uts + 0.40 * n_uas);
+      
+        if (n_akhir >= 85 && n_akhir <=100){
+            grade = 'A';
+        }
+        else if (n_akhir > 75 && n_akhir < 84){
+            grade = 'B';
+        }
+        else if (n_akhir > 65 && n_akhir < 74){
+            grade = 'C';
+        }
+        else if (n_akhir > 50 && n_akhir < 64){
+            grade = 'D';
+        }
+        else {
+            grade = 'E';
+        }
+        if (grade == 'A' ){
+            System.out.println("\n"+nama+" NIM "+nim+" memiliki nilai akhir "+n_akhir+" = ("+grade+")"+""
+                    +"\n excellent");
+        if  (grade == 'B' ){
+            System.out.println("\n"+nama+" NIM "+nim+" memiliki nilai akhir "+n_akhir+" = ("+grade+")"+""
+                    +"\n very good");
+            
+        if  (grade == 'C' ){
+            System.out.println("\n"+nama+" NIM "+nim+" memiliki nilai akhir "+n_akhir+" = ("+grade+")"+""
+                    +"\n good");
+ 
+        if  (grade == 'D' ){
+            System.out.println("\n"+nama+" NIM "+nim+" memiliki nilai akhir "+n_akhir+" = ("+grade+")"+""
+                    +"\n accepted");
+        if  (grade == 'E' ){
+            System.out.println("\n"+nama+" NIM "+nim+" memiliki nilai akhir "+n_akhir+" = ("+grade+")"+""
+                    +"\n failed");
+        }
+        }
+        }
+        }
+        }
+    }
+}
 
diff --git a/PrimeNumber.java b/PrimeNumber.java
index 8b13789..ef06e0b 100644
--- a/PrimeNumber.java
+++ b/PrimeNumber.java
@@ -1 +1,25 @@
+import java.util.Scanner;
+public class soalBilPrima {
+    public static void main(String[] args) {
+Scanner masukan = new Scanner (System.in);
+System.out.println("Masukan sebuah bilangan :");
+int bil = masukan.nextInt();
+boolean prima = true;
+for (int i=2; i<bil; i++){
+    
+if ((bil % i) == 0) {
+
+prima = false; break;
+
+    }
+}
+ if (prima)
+
+System.out.println(bil + " merupakan bilangan PRIMA ");
+
+else
+
+System.out.println(bil + " bukan merupakan bilangan PRIMA ");
+}
+}
 
diff --git a/TemperatureConvert.java b/TemperatureConvert.java
index e69de29..0e8e730 100644
--- a/TemperatureConvert.java
+++ b/TemperatureConvert.java
@@ -0,0 +1,21 @@
+package soalkonversi;
+import java.util.Scanner;
+
+public class SoalKonversi {
+    public static void main(String[] args) {
+        Scanner input = new Scanner (System.in);
+int celcius;
+float reamur,fahrenhait,kelvin;
+System.out.print(" Masukan suhu kedalam derajat celcius: ");
+
+celcius = input.nextInt();
+reamur = 4f/5f*celcius;
+fahrenhait = 9f/5f*celcius+32f;
+kelvin = celcius +273;
+
+System.out.println("reamur :" +reamur);
+System.out.println("fahrenheit :" + fahrenhait);
+System.out.println("kelvin :" +kelvin);
+    }
+    
+}