上传了实验二,已确认无敏感信息

实验2/task1.java

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+import java.util.Scanner;
+
+public class task1 {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        double score = input.nextDouble();
+        if (score >= 90 & score <= 100) {
+            System.out.println(4.0);
+        } else if (score >= 80 & score < 90) {
+            System.out.println(3.5);
+        } else if (score >= 70 && score < 80) {
+            System.out.println(3.0);
+        } else if (score >= 60 && score < 70) {
+            System.out.println(2.5);
+        } else {
+            System.out.println(0d);
+        }
+    }
+}

实验2/task2.java

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+import java.util.Scanner;
+
+public class task2 {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        int goal = input.nextInt();
+        int mutied = 1;
+        for (int i = 1; i <= goal; i++) {
+            mutied *= i;
+        }
+        System.out.println(mutied);
+    }
+}

实验2/task3.java

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+import java.util.Scanner;
+
+public class task3 {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        System.out.println("星级成绩评定系统");
+        System.out.print("请输入成绩：");
+        double score = input.nextDouble();
+        int stars = 0;
+        String starHanzi;
+        if (score > 90) {
+            stars = 5;
+            starHanzi = "五";
+        } else if (score > 80 & score <= 90) {
+            stars = 4;
+            starHanzi = "四";
+        } else if (score > 70 & score <= 80) {
+            stars = 3;
+            starHanzi = "三";
+        } else if (score >= 60 & score <= 70) {
+            stars = 2;
+            starHanzi = "俩";
+        } else {
+            stars=0;
+            starHanzi="无";
+        }
+        for(int i=1;i<=stars;i++){
+            System.out.print("*");
+        }
+        System.out.println(starHanzi+"星成绩");
+    }
+}

实验2/task4.java

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+public class task4 {
+    public static void main(String[] args) {
+        int time = 0;
+        for (int i = 1; i <= 100; i++) {
+            if (i % 6 == 0) {
+                System.out.print(i + " ");
+                time += 1;
+            }
+        }
+        System.out.println();
+        System.out.println(time);
+    }
+}

实验2/task5.java

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+public class task5 {
+    public static void main(String[] args) {
+        for (int i = 1; i <= 10; i++) {
+            for (int j = 1; j <= i; j++) {
+                System.out.print("*");
+            }
+            System.out.println();
+        }
+        System.out.println("-----------------我是华丽的分割线-----------------");
+        for (int i = 10; i >= 1; i--) {
+            for (int j = 1; j <= i; j++) {
+                System.out.print("*");
+            }
+            System.out.println();
+        }
+    }
+}

实验2/task6.java

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+public class task6 {
+    public static void main(String[] args) {
+        for (int i = 1; i <= 9; i++) {
+            for (int j = 1; j <= i; j++) {
+                System.out.print(i + "*" + j + "=" + i * j + "\t");
+            }
+            System.out.println();
+        }
+    }
+}