update:demo7

com/study/demo7/DivisionCalculator.java

@@ -0,0 +1,24 @@
+package com.study.demo7;
+
+import java.util.Scanner;
+
+public class DivisionCalculator {
+  public static void main(String[] args) {
+    Scanner scanner = new Scanner(System.in);
+    try {
+      System.out.print("请输入第一个整数 a: ");
+      int a = Integer.parseInt(scanner.nextLine());
+      System.out.print("请输入第二个整数 b: ");
+      int b = Integer.parseInt(scanner.nextLine());
+      int result = a / b;
+      System.out.println("结果: " + result);
+    } catch (ArithmeticException e) {
+      System.out.println("错误: 除数不能为 0");
+    } catch (NumberFormatException e) {
+      System.out.println("错误: 请输入有效的整数");
+    } finally {
+      System.out.println("计算结束");
+    }
+    scanner.close();
+  }
+}