import java.util.Scanner;
public class twoint {
public static void main(String[] args){
twonum();
}
public static int twonum(){
System.out.println("输入两个数,得出加减乘除");
Scanner scan = new Scanner(System.in);
System.out.println("请输入第一个数:");
int num1 = scan.nextInt();
System.out.println("请输入第二个数:");
int num2 = scan.nextInt(
public class twoint {
public static void main(String[] args){
twonum();
}
public static int twonum(){
System.out.println("输入两个数,得出加减乘除");
Scanner scan = new Scanner(System.in);
System.out.println("请输入第一个数:");
int num1 = scan.nextInt();
System.out.println("请输入第二个数:");
int num2 = scan.nextInt(