Someone

for(int i=0; i<numOfGrade.length;i++) 
{// for as many times as we have different grades we can give... 
 
   for(int m=0;m<numOfGrade[i];m++) 
    {System.out.print("*");}  //print a number of stars equal to the current number of people who got that grade. 
}
	System.out.println();
}