Main.java

src/small_computer/Main.java

@@ -5,6 +5,7 @@ public class Main {
 	public static void main(String[] args) {
 		Subtraction ss=new Subtraction();
 		Division dd=new Division();
+		MUL mm=new MUL();
 		System.out.println("1-加法计算      2-减法运算");
 		System.out.println("3-乘法运算      4-除法计算");
 		System.out.println("请输入选择：");
@@ -17,6 +18,10 @@ public class Main {
 			int c=(int) ss.sub(a, b);
 			System.out.println(c);
 		}
+		else if(n==3) {
+			int c=mm.Mul(a, b);
+			System.out.println(c);
+		}
 		else if(n==4) {
 			int c=(int) dd.div(a, b);
 			System.out.println(c);