日常练习

20220531/20220531.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

20220531/src/九九乘法表.java

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+import java.util.Scanner;
+
+public class 九九乘法表 {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int n = sc.nextInt();
+        for (int i = 1; i <= n; i++) {
+            for (int j = 1; j <= 9 - n + i; j++) {
+                System.out.print(j+"*"+i+"="+i*j+" ");
+            }
+            System.out.println();
+        }
+    }
+}

20220531/src/打印X图形.java

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+import java.util.Scanner;
+
+public class 打印X图形 {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int n = sc.nextInt();
+        int m = n;
+        for (int i = 0; i < n / 2 + 1; i++) {
+
+
+            for (int j = 1; j <= m; j++) {
+                if (j == 1) {
+                    System.out.print("*");
+                } else if (j == m) {
+                    System.out.print("*");
+                }else {
+                    System.out.print(" ");
+                }
+            }
+            m -= 2;
+            System.out.println();
+
+        }
+    }
+}

20220531/src/模拟登陆.java

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+import java.util.Scanner;
+
+public class 模拟登陆 {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        for (int i = 0; i < 3; i++) {
+            String str1 = sc.nextLine();
+            String str2 = "Isbella";
+            if (str1.equals(str2)){
+                System.out.println("登录成功");
+                break;
+            }
+            else{
+                System.out.println("密码错误");
+            }
+        }
+
+
+    }
+}

20220531/src/水仙花数.java

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+public class 水仙花数 {
+    public static void main(String[] args) {
+        for (int i = 100; i < 999; i++) {
+            int a = i / 100;
+            int b = i / 10 % 10;
+            int c = i % 100 % 10;
+            if (i == Math.pow(a,3) + Math.pow(b,3) + Math.pow(c,3)){
+                System.out.println(i);
+            }
+        }
+    }
+}