Thread: Can someone help me(Simple coding)

import java.lang.*; 		//all import statements must be first
import java.util.Scanner;	//program uses class Scanner
/**  prompts user to enter 10 numbers, then displays largest and
  *  average of the numbers.
  *   @version 1
  *   @see java.lang.String
  *   @see java.util.Scanner
  */
public class JavaMain {
	public static void main (String args[]) {
 
		Scanner input = new Scanner (System.in);
 
		int number1 = 0;
		int number2 = 0;		
		int number3 = 0;
		int number4 = 0;
int number5 = 0;
int number6 = 0;
int total = 0;
int number7 = 0;
int number8 = 0;
int number9 = 0;
int number10 = 0;
int number11 = 0;
int number12 = 0;
int total1 = 0;
int total2 = 0;
int total3 = 0;
int total4 = 0;
int total5 = 0;
int total6 = 0;
 
 
		{
			System.out.print ("\nEnter your hybrid activity mark out of 10:");
number1 = input.nextInt();
total1 = number1 / 10;
number7 = total1 *  0.05;
 
System.out.print ("\nEnter your lab mark out of 6: ");
number2 = input.nextInt();
total2 = number2 / 10;
number8 = total2 * 0.10;
 
System.out.print ("\nEnter your assignments mark out of 100: ");
number3 = input.nextInt();
total3 = number3 / 100;
number9 = total3 * 0.25;
 
System.out.print ("\nEnter your test #1 mark out of 30: ");
number4 = input.nextInt();
total4 = number4 / 30;
number10 = total4 * 0.15;
 
System.out.print ("\nEnter your test #2 mark out of 30: ");
number5 = input.nextInt();
total5 = number5 / 30;
number11 = total5 * 0.15;
 
System.out.print ("\nEnter your final exam mark out of 60: ");
number6 = input.nextInt();
total6 = number6 / 60;
number12 = total6 * 0.30;
 
			total = number7 + number8 + number9 + number10 + number11 + number12;
 
	    }
		// calculations
 
 
		System.out.println ("Final Mark: " + total);
 
 
	} // end of main
}// end of class

I am new to programming and I cant seem to run it and says "
C:\MyJava>javac JavaMain.java
JavaMain.java:39: error: possible loss of precision
number7 = total1 * 0.05;
^
required: int
found: double
JavaMain.java:44: error: possible loss of precision
number8 = total2 * 0.10;
^
required: int
found: double
JavaMain.java:49: error: possible loss of precision
number9 = total3 * 0.25;
^
required: int
found: double
JavaMain.java:54: error: possible loss of precision
number10 = total4 * 0.15;
^
required: int
found: double
JavaMain.java:59: error: possible loss of precision
number11 = total5 * 0.15;
^
required: int
found: double
JavaMain.java:64: error: possible loss of precision
number12 = total6 * 0.30;
^
required: int
found: double
6 errors

C:\MyJava>


Please help me Im soo noob.