diff --git "a/work/com/java/minxi/java_20240515/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Student.java" "b/work/com/java/minxi/java_20240515/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Student.java"
new file mode 100644
index 0000000000000000000000000000000000000000..348e55bfe35c4184572ce2290b5cb3c2fc0c5522
--- /dev/null
+++ "b/work/com/java/minxi/java_20240515/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Student.java"
@@ -0,0 +1,30 @@
+package com.java.minxi.java_20240515.java_2302_熊仁杰_2344310222;
+
+public class Student {
+    private String name;
+    private int age;
+
+    public Student() {
+    }
+
+    public Student(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+}
\ No newline at end of file
diff --git "a/work/com/java/minxi/java_20240515/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Text.java" "b/work/com/java/minxi/java_20240515/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Text.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d50b4192852bb1eb95acdc0b6953f07d3c4a796d
--- /dev/null
+++ "b/work/com/java/minxi/java_20240515/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Text.java"
@@ -0,0 +1,156 @@
+package com.java.minxi.java_20240515.java_2302_熊仁杰_2344310222;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+public class Text {
+    public static void main(String[] args) {
+        HashSet<String> strSet = new HashSet<>();
+        strSet.add("Java");
+        strSet.add("MySQL");
+        strSet.add("C#");
+        strSet.add("Python");
+        strSet.add("PHP");
+        System.out.println("初始数据: " + strSet);
+        System.out.println();
+
+
+        System.out.println("“Java”是否存在于HastSet: " + strSet.contains("Java"));
+        System.out.println();
+
+
+        strSet.remove("Python");
+        System.out.println("移除“Python”之后的HashSet: " + strSet);
+        System.out.println();
+
+
+        System.out.println("HashSet的大小： " + strSet.size());
+        System.out.println();
+
+
+        System.out.print("加强for循环遍历: ");
+        for (String s : strSet) {
+            System.out.print(s + " ");
+        }
+        System.out.println();
+        System.out.println();
+
+
+        Object[] arr = strSet.toArray();
+        System.out.print("转换为数组之后并打印： [");
+        for (int i = 0; i < arr.length; i++) {
+            if (i == arr.length - 1) {
+                System.out.print(arr[i]);
+            } else {
+                System.out.print(arr[i] + ", ");
+            }
+        }
+        System.out.println("]");
+
+
+        HashSet<String> strSet1 = new HashSet<>();
+        strSet1.add("Java");
+        strSet1.add("C++");
+        strSet1.add("C#");
+        strSet1.add("Pr");
+        strSet1.add("Ae");
+
+        HashSet<String> temp = new HashSet<>();
+
+        temp.addAll(strSet);
+        temp.addAll(strSet1);
+        System.out.println("并集： " + temp);
+        System.out.println();
+
+
+        temp.clear();
+        temp.addAll(strSet1);
+        temp.retainAll(strSet);
+        System.out.println("交集： " + temp);
+        System.out.println();
+
+
+        temp.clear();
+        temp.addAll(strSet);
+        temp.removeAll(strSet1);
+        System.out.println("差集: " + temp);
+        System.out.println();
+
+        System.out.println("---------------------------");
+        System.out.println();
+
+
+        HashMap<String, Integer> hashMap = new HashMap<>();
+        hashMap.put("一", 1);
+        hashMap.put("二", 2);
+        hashMap.put("三", 3);
+        System.out.println("初始数据(HashMap):" + hashMap);
+        System.out.println();
+
+
+        System.out.println("通过键“一”获取的值是: " + hashMap.get("一"));
+        System.out.println();
+
+        System.out.println("键“三”是否存在于hashMap中: " + hashMap.containsKey("三"));
+        System.out.println();
+
+
+        System.out.print("hashMap的每个键: ");
+        for (String s : hashMap.keySet()) {
+            System.out.print(s + " ");
+        }
+        System.out.println();
+        System.out.println();
+
+
+        System.out.print("hashMap的每个值: ");
+        for (Integer value : hashMap.values()) {
+            System.out.print(value + " ");
+        }
+        System.out.println();
+        System.out.println();
+
+
+        System.out.print("hashMap的所有键值: ");
+        for (Map.Entry<String, Integer> stringIntegerEntry : hashMap.entrySet()) {
+            System.out.print(stringIntegerEntry + " ");
+        }
+        System.out.println();
+        System.out.println();
+
+
+        hashMap.put("一", 520);
+        System.out.println("更新键“一”的值后：" + hashMap.get("一"));
+        System.out.println();
+
+
+        hashMap.remove("三");
+        System.out.print("删除键“三”之后的hashMap: ");
+        for (Map.Entry<String, Integer> entry : hashMap.entrySet()) {
+            System.out.print(entry + " ");
+        }
+        System.out.println();
+        System.out.println();
+
+
+        System.out.println("hashMap的大小: " + hashMap.size());
+        System.out.println();
+
+
+        HashMap<Student, String> studentStringHashMap = new HashMap<>();
+        Student s1 = new Student("我是嘉宏", 19);
+        Student s2 = new Student("混子", 19);
+        Student s3 = new Student("开摆", 19);
+        studentStringHashMap.put(s1, "闽西嘉宏");
+        studentStringHashMap.put(s2, "睡着了");
+        studentStringHashMap.put(s3, "三星五费");
+        System.out.println("studentStringHashMap内的键值有: ");
+        Set<Student> keySet = studentStringHashMap.keySet();
+        for (Student student : keySet) {
+            String value = studentStringHashMap.get(student);
+            System.out.println(student.getName() + "," + student.getAge() + "," + value);
+        }
+    }
+}
diff --git "a/work/com/java/minxi/java_20240516/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Student.java" "b/work/com/java/minxi/java_20240516/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Student.java"
new file mode 100644
index 0000000000000000000000000000000000000000..45828826426738c2d9fac923362437082e175255
--- /dev/null
+++ "b/work/com/java/minxi/java_20240516/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Student.java"
@@ -0,0 +1,49 @@
+package com.java.minxi.java_20240516.java_2302_熊仁杰_2344310222;
+
+import java.util.Objects;
+
+public class Student {
+    private String name;
+    private int age;
+
+    public Student() {
+    }
+
+    public Student(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+
+    @Override
+    public String toString() {
+        return "Person{" +
+                "name='" + name + '\'' +
+                ", age=" + age +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Student person = (Student) o;
+        return age == person.age && Objects.equals(name, person.name);
+
+    }
+}
diff --git "a/work/com/java/minxi/java_20240516/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Text.java" "b/work/com/java/minxi/java_20240516/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Text.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1da43dba219e045f0c6ca659eb803be5aaa37ae3
--- /dev/null
+++ "b/work/com/java/minxi/java_20240516/java_2302_\347\206\212\344\273\201\346\235\260_2344310222/Text.java"
@@ -0,0 +1,201 @@
+package com.java.minxi.java_20240516.java_2302_熊仁杰_2344310222;
+
+import com.sun.xml.internal.ws.api.model.wsdl.WSDLOutput;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.Date;
+import java.util.Scanner;
+
+public class Text {
+    public static void main(String[] args) throws ParseException {
+        Student p1 = new Student("我是嘉宏", 50);
+        System.out.println(p1.toString());
+        System.out.println();
+
+
+        Student p2 = new Student("我是嘉宏2号", 52);
+        System.out.println("p1和p2是否相等： " + p1.equals(p2));
+        System.out.println();
+
+        System.out.println("---------------------------------");
+
+        System.out.println();
+
+        Scanner sc = new Scanner(System.in);
+        System.out.println("请输入一个数字:");
+        int i = sc.nextInt();
+        System.out.println(i + "的绝对值： " + Math.abs(i));
+        System.out.println();
+
+        contains();
+
+
+        System.out.println("请输入一个浮点数：");
+        float nextFloat = sc.nextFloat();
+        System.out.println(nextFloat + "四舍五入后： " + Math.round(nextFloat));
+        System.out.println();
+
+
+        double random = Math.random();
+        System.out.println("请输入一个数字乘以`Math.random()`：");
+        double v = sc.nextDouble();
+        System.out.println(random + " * " + v + " = " + random * v);
+        System.out.println();
+
+
+        Double avg = getAvg();
+        System.out.println("该数组的平均值： " + avg);
+        System.out.println();
+
+        System.out.println("");
+
+        System.out.println();
+
+        ZonedDateTime now = ZonedDateTime.now();
+
+        DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy年MM月dd日 HH:mm:ss EE a");
+
+        System.out.println("现在时间： " + dateTimeFormatter.format(now));
+        System.out.println();
+
+
+        LocalDate now1 = LocalDate.now();
+        System.out.println(now1 + "的年份：" + now1.getYear());
+        System.out.println(now1 + "的月份：" + now1.getMonth());
+        System.out.println(now1 + "的天数：" + now1.getDayOfMonth());
+        System.out.println();
+
+
+        Date Date = new Date(0L);
+        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        String format = simpleDateFormat.format(new Date());
+        System.out.println("使用 `SimpleDateFormat` 类将 `Date` 对象格式化为指定的日期格式字符串，如 \"yyyy-MM-dd HH:mm:ss\"： " + format);
+        System.out.println();
+
+        SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat();
+        Date date1 = new Date(0L);
+        String format1 = simpleDateFormat1.format(date1);
+        System.out.println("将 `Date` 对象转换为字符串: " + format1);
+        Date format2 = simpleDateFormat1.parse(format1);
+        System.out.println("将该字符串重新解析回 `Date` 对象: " + format2);
+        System.out.println();
+
+
+        long l = System.currentTimeMillis();
+        Date date2 = new Date(l);
+        SimpleDateFormat simpleDateFormat2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        String format3 = simpleDateFormat2.format(date2);
+        System.out.println("使用System类获得当前时间戳，将时间戳转换成`Date` 对象，要求按照该格式 \"yyyy-MM-dd HH:mm:ss\"  打印出当前时间: " + format3);
+        System.out.println();
+
+        System.out.println();
+
+        System.out.println();
+
+
+        String s = "李四";
+        System.out.println("连接两个字符串，并输出结果: " + s.concat("钻空子"));
+        System.out.println();
+
+
+        getStrLength();
+
+        String str = "zhangsan,lisi,wangwu";
+        String[] split = str.split(".");
+        System.out.print("将一个以逗号分隔的字符串分割成单词数组: [");
+        for (int i1 = 0; i1 < split.length; i1++) {
+            if (i1 != split.length - 1) {
+                System.out.print(split[i1] + ", ");
+            } else {
+                System.out.print(split[i1]);
+            }
+        }
+        System.out.println("]");
+        System.out.println();
+
+        String str1 = "abc";
+        System.out.println(str1 + "反转之后： " + reverse(str1));
+        System.out.println();
+
+
+        upCase();
+
+        String str2 = "abcd";
+        if (str2.indexOf("ab") != -1) {
+            System.out.println(str2 + " 中存在 ab");
+        } else {
+            System.out.println(str2 + " 中不存在 ab");
+        }
+        System.out.println();
+
+        String falseStr = "CNM玩的什么啊";
+        falseStr = falseStr.replace("CNM", "***");
+        System.out.println(falseStr);
+        System.out.println();
+
+
+        String s1 = " Hello World ";
+        System.out.println("去除字符串两端的空白字符：" + s1.trim());
+        System.out.println();
+
+
+        String strOne = "Asq1";
+        String strtwo = "aSQ1";
+        System.out.println("比较两个字符串是否相等，忽略大小写: " + strOne.equalsIgnoreCase(strtwo));
+
+
+    }
+
+    private static void getStrLength() {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("请输入一个字符串：");
+        String next = sc.next();
+        System.out.println("”" + next + "“的长度是： " + next.length());
+        System.out.println();
+    }
+
+    public static void contains() {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("请输入第一个整数：");
+        int i1 = sc.nextInt();
+        System.out.println("请输入第二个整数：");
+        int i2 = sc.nextInt();
+        System.out.println("请输入第三个整数：");
+        int i3 = sc.nextInt();
+        System.out.println("最大值： " + Math.max(Math.max(i1, i2), i3));
+        System.out.println("最小值： " + Math.min(Math.min(i1, i2), i3));
+        System.out.println();
+    }
+
+    public static Double getAvg() {
+        int[] numArr = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+        double num = 0;
+        for (int i = 0; i < numArr.length; i++) {
+            num += numArr[i];
+        }
+        num /= numArr.length;
+        return num;
+    }
+
+    public static String reverse(String str) {
+        String s = "";
+        for (int i = str.length() - 1; i >= 0; i--) {
+            s = s + str.charAt(i);
+        }
+        return s;
+
+    }
+
+    public static void upCase() {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("请输入一个字符串：");
+        String next = sc.next();
+        System.out.println(next + " 转换为大写：" + next.toUpperCase());
+        System.out.println();
+    }
+
+}
\ No newline at end of file