public class Test {
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("等级="+getLevel(60));
}
public static char getLevel(int num) {
char level;
if(num>=90&&num<=100)
level='A';
else if(num>=80&&num<=89)
level='B';
else if(num>=70&&num<=79)
level='C';
else if(num>=60&&num<=69)
level='D';
else
level='E';
return level;
}
}