Question

用java编写程序 在控制台下输入两个整数 计算和差积商 最大值和最小值 并输出

Answer 1

import java.util.InputMismatchException;
import java.util.Scanner;

public class DigitCalc {

public static void main(String[] args) {

int num1 = 0;
int num2 = 0;

for(int i = 1; i <= 2; i++){
try{
System.out.println("Please input an integer: ");
Scanner scanner = new Scanner(System.in);

if(i == 1){
num1 = scanner.nextInt();
}else{
num2 = scanner.nextInt();
}

}catch(InputMismatchException mismatchExp){
i--;
continue;
}
}

int cha = num1 - num2;
int ji = num1 * num2;
double shang = (double)num1 / num2;
int max = Math.max(num1, num2);
int min = Math.min(num1, num2);

System.out.println("差 is: " + cha);
System.out.println("积 is: " + ji);
System.out.println("商 is: " + shang);
System.out.println("最大值 is: " + max);
System.out.println("最小值 is: " + min);

}
}

-------------
Please input an integer:
aa
Please input an integer:
bb
Please input an integer:
22
Please input an integer:
10
差 is: 12
积 is: 220
商 is: 2.2
最大值 is: 22
最小值 is: 10

Answer 2

import java.util.Scanner;
public class Test {
public static void main(String[] args) {
System.out.print("请输入第一个整数：");
Scanner s=new Scanner(System.in);
int a=s.nextInt();
System.out.print("请输入第二个整数：");
int b=s.nextInt();
System.out.println(a+b);
}
}

Answer 3

static int max (inot [] ia){
int max = ia [0];
for (int j = 1; j < ia.length; j++){
if(max < ia [j]){
max = ia [j] ;
}
}
return max ;
}

publc static void mian(String [] args){
int [] ia = {8,9};
int m = max (ia);
System.out.println(m);

}

这是最大值，其他的差不多！