diff --git "a/02 \351\231\210\346\230\216\345\207\275/import java.md" "b/02 \351\231\210\346\230\216\345\207\275/import java.md" new file mode 100644 index 0000000000000000000000000000000000000000..5c872040d83013252e8f221ce9614eddc27fa7ab --- /dev/null +++ "b/02 \351\231\210\346\230\216\345\207\275/import java.md" @@ -0,0 +1,28 @@ +```java +//用键盘输入两个整数,并求和;如果输入的不是整数用异常去处理 +import java.util.InputMismatchException; +import java.util.Scanner; + +public class Test { + public static void main(String[] args) { + Scanner sc = new Scanner(System.in); + + try { + System.out.print("请输入第一个整数:"); + int num1 = sc.nextInt(); + + System.out.print("请输入第二个整数:"); + int num2 = sc.nextInt(); + + int sum = num1 + num2; + System.out.println("两数之和为:" + sum); + + } catch (InputMismatchException e) { + System.out.println("输入数字格式不正确,请重新输入。"); + } + + sc.close(); + } +} +``` +