第一次作业

demo/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.example</groupId>
+    <artifactId>demo</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <!-- 其他依赖项 -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>1.2.83</version>
+        </dependency>
+    </dependencies>
+
+
+</project>

demo/src/main/java/com/example/Main.java

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+package com.example;
+
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Hello world!");
+    }
+
+    // 给整数数组排序的函数（升序排序）
+    public static void sortArray(int[] arr) {
+        for (int i = 0; i < arr.length - 1; i++) {
+            for (int j = i + 1; j < arr.length; j++) {
+                if (arr[j] < arr[i]) {
+                    int temp = arr[i];
+                    arr[i] = arr[j];
+                    arr[j] = temp;
+                }
+            }
+        }
+    }
+
+
+    
+}

demo/src/main/java/com/example/Person.java

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+package com.example;
+
+public  class Person {
+    public String name;
+    public int age;
+
+    public Person(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public static void main(String[] args) {
+        Person [] people;
+        people = new Person[2];
+        int number = 2;
+        for(int i = 0; i < number; i++) {
+            people[i] = new Person("Person" + i, 20 + i);
+        }
+        for(int i = 0; i < number; i++) {
+            people[i].sayHello();
+        }
+    }
+
+    public void sayHello() {
+        int age = this.age;
+        int  birthYear = 2026   - age;
+        System.out.println("Hello, my name is " + name + " and I was born in " + birthYear + ".");
+    }
+    
+}

demo/src/main/java/com/example/Test.java

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+import java.util.regex.Pattern;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+
+
+public class Test {
+
+
+    private static String regex = "[!@#$%^&*(),.?\":{}|<>。，！;；]";
+    private static Pattern pattern = Pattern.compile(regex);
+
+    public static void main(String[] args) {
+        String source = "{\"1\":\"第一条\",\"2\":\"第二条\",\"3\":\"第三条\"}";
+        String s = toStringArray(source);
+        System.out.println(s);
+    }
+
+    /**
+     * 数组格式字符串转 String 数组
+     *
+     * @param source
+     * @return
+     */
+    public static String toStringArray(String source) {
+
+
+        JSONObject json = JSONObject.parseObject(source);
+        StringBuilder str = new StringBuilder();
+        int i = 1;
+        for (String key : json.keySet()) {
+            String s = json.getString(key);
+            String substring = s.substring(s.length() - 1);
+            Matcher matcher = pattern.matcher(substring);
+            s = matcher.find() ? s.substring(0, s.length() - 1) + "。" : s + "。";
+            str.append("    ").append(i).append("：").append(s).append("\r\n");
+            i++;
+        }
+
+//        String[] split = source.substring(1, source.length() - 1).replace("\"", "").split(",");
+//        StringBuilder str = new StringBuilder();
+//        int i = 1;
+//        for (String s : jsonList) {
+//            String substring = s.substring(s.length() - 1);
+//            Matcher matcher = pattern.matcher(substring);
+//            s = matcher.find() ? s.substring(0, s.length() - 1) + "。" : s + "。";
+//            str.append("    ").append(i).append("：").append(s).append("\r\n");
+//            i++;
+//        }
+        return str.toString();
+    }
+    
+}

demo/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

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+k:\java\demo\demo\src\main\java\com\example\Main.java
+k:\java\demo\demo\src\main\java\com\example\Test.java