java创建一个计算机类(Calculator)

java创建一个计算机类(Calculator)

public class Calculator {
public int add(int num1,int num2){
return num1+num2;
}

public int sub(int num1,int num2){
return num1-num2;
}

public int mul(int num1,int num2){
return num1*num2;
}

public int div(int num1,int num2){
return num1/num2;
}

public float add(float num1,float num2){
return num1+num2;
}

public float sub(float num1,float num2){
return num1-num2;
}

public float mul(float num1,float num2){
return num1*num2;
}

public float div(float num1,float num2){
return num1/num2;
}

public static void main(String[] args) {
Calculator c1 =new Calculator();
Scanner sc=new Scanner(System.in);
int a=sc.nextInt();
int b=sc.nextInt();
System.out.println(c1.add(a, b));
System.out.println(c1.sub(a, b));
System.out.println(c1.mul(a, b));
System.out.println(c1.div(a, b));
float c=sc.nextFloat();
float d=sc.nextInt();
System.out.println(c1.add(c, d));
System.out.println(c1.sub(c, d));
System.out.println(c1.mul(c, d));
System.out.println(c1.div(c, d));
}
}