Tutorial Pemrograman C++ dan Java

import java.io.*;

public class data{
public static void main(String[]args)throws IOException {
String nim,temp1,temp2,temp3,nama,jurusan;
int jmlsks,jmlmakul,i,total=0;
float rata=0;

BufferedReader input = new BufferedReader (new InputStreamReader(System.in));

System.out.print("Nama = ");
nama=input.readLine();
System.out.print("NIM = ");
nim=input.readLine();

System.out.print("Jurusan = ");
jurusan=input.readLine();
System.out.print("Jumlah SKS = ");
temp1=input.readLine();
jmlsks=Integer.parseInt(temp1);
System.out.print("Jumlah Matakuliah = ");
temp2=input.readLine();
jmlmakul=Integer.parseInt(temp2);

System.out.println("==============================");
int[] nilai = new int[100];

for (i=1;i<=jmlmakul;i++)
{
System.out.print("Nilia ke"+i +"=");
temp3=input.readLine();
nilai[i]=Integer.parseInt(temp3);
total=total+nilai[i];
}

rata=total/jmlmakul;

System.out.println("==============================");

System.out.println("Total Nilai = "+total);
System.out.println("rata-rata = "+rata);

}
}