java每日一练--day17

public static void main(String args[]) {
int a=9%4;
int b=9%-4;
int c=-9%4;
int d=-9%-4;
System.out.println(a);
System.out.println(b);
System.out.println(c);
System.out.println(d);
}

取余正负主要看除数的正负