public class P {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
P prm=new P();
int a,b;
System.out.println("請輸入兩個整數（以空格分隔）：");
a=sc.nextInt();
b=sc.nextInt();
System.out.println("兩數相加後等於："+prm.add(a,b));
System.out.println("兩數相減後等於："+prm.sub(a,b));
System.out.println("兩數相除後等於："+prm.divide(b,a));
sc.close();
}
int add(int a,int b) {
return a+b;
}
int sub(int a,int b) {
if(a>b)
return a-b;
else
return b-a;
}
int divide(int a,int b) {
if(0==b)
System.out.println("錯誤");
if(0==a)
System.out.println("除數不能為0");
return b/a;
}
}