diff --git "a/work/com/java/minxi/java_20240516/java_2302_\345\275\255\351\241\272_2344310202/Main.java" "b/work/com/java/minxi/java_20240516/java_2302_\345\275\255\351\241\272_2344310202/Main.java"
new file mode 100644
index 0000000000000000000000000000000000000000..fc144e799b3148f9f9f322876bb9ae69a00ffcc1
--- /dev/null
+++ "b/work/com/java/minxi/java_20240516/java_2302_\345\275\255\351\241\272_2344310202/Main.java"
@@ -0,0 +1,42 @@
+package com.java.minxi.java_20240516.java_2302_彭顺_2344310202;
+
+import sun.security.util.Length;
+
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+
+public class Main {
+    public static void main(String[] args) {
+        Date date = new Date();
+        int year = date.getYear();
+        System.out.println(year+1900);
+        Calendar en = Calendar.getInstance();
+        en.setTime(date);
+        int i = en.get(Calendar.YEAR);
+        System.out.println(i);
+        SimpleDateFormat en1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        String en2 = en1.format(date);
+        System.out.println(en2);
+        long e = System.currentTimeMillis();
+        Date date1 = new Date(e);
+        String format1 = en1.format(date1);
+        System.out.println(format1);
+        String st = "a"+"b";
+        String str1 = "a,b,c";
+        String[] split = str1.split(",");
+        StringBuffer stringBuffer = new StringBuffer();
+        StringBuffer append = stringBuffer.append(str1);
+        StringBuffer reverse = append.reverse();
+        System.out.println(reverse);
+        String test = "dajioadjdaoidj";
+        String s1 = test.toUpperCase();
+        String s2 = test.toLowerCase();
+        test.contains("d");
+        test.replace("d","c");
+        test.trim();
+        str1.equals(test);
+        str1.equalsIgnoreCase(test);
+
+    }
+}
diff --git "a/work/com/java/minxi/java_20240516/java_2302_\345\275\255\351\241\272_2344310202/Person.java" "b/work/com/java/minxi/java_20240516/java_2302_\345\275\255\351\241\272_2344310202/Person.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1ca34db300df3d6c13a7d26a7dd621bce7ffc56b
--- /dev/null
+++ "b/work/com/java/minxi/java_20240516/java_2302_\345\275\255\351\241\272_2344310202/Person.java"
@@ -0,0 +1,112 @@
+package com.java.minxi.java_20240516.java_2302_彭顺_2344310202;
+
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Scanner;
+
+public class Person {
+
+    private String name;
+    private int age;
+
+    @Override
+    public boolean equals(Object obj) {
+        return this.name.equals(age);
+    }
+
+    @Override
+    public String toString() {
+        return "Person{" +
+                "name='" + name + '\'' +
+                ", age=" + age +
+                '}';
+
+
+    }
+
+    public static void en() {
+
+        System.out.println("请输入一个数值");
+        Scanner en = new Scanner(System.in);
+        int en1 = en.nextInt();
+        if (en1 >= 0) {
+            System.out.println(en1);
+        } else {
+            System.out.println(-en1);
+
+        }
+    }
+
+    public static void en3() {
+
+
+        Scanner en4 = new Scanner(System.in);
+        int en5 = en4.nextInt();
+        System.out.println("请输入第" + 1 + "个数字");
+        int en6 = en4.nextInt();
+        System.out.println("请输入第" + 2 + "个数字");
+        int en7 = en4.nextInt();
+        System.out.println("请输入第" + 3 + "个数字");
+        if (en5 >= en6 && en5 >= en7) {
+            if (en6 >= en7) {
+                System.out.println("最大值为" + en5);
+                System.out.println("最小值为" + en7);
+            }else {
+                System.out.println("最大值为" + en7);
+                System.out.println("最小值为" + en5);
+            }
+        }
+        if (en6 >= en5 && en6 >= en7) {
+            if (en5 >= en7) {
+                System.out.println("最大值为" + en6);
+                System.out.println("最小值为" + en7);
+            }else {System.out.println("最大值为" + en7);
+                System.out.println("最小值为" + en6);}
+        }
+        if (en7 >= en6 && en7 >= en5) {
+            if (en6 >= en5) {
+                System.out.println("最大值为" + en7);
+                System.out.println("最小值为" + en5);
+            }
+            else {System.out.println("最大值为" + en5);
+                System.out.println("最小值为" + en7);}
+        }
+        System.out.println("请输入一个数字");
+        Scanner en11 = new Scanner(System.in);
+        float en12 = en11.nextFloat();
+        Math.round(en12);
+        System.out.println("请输入一个数字");
+        Scanner en13 = new Scanner(System.in);
+        int en14 = en13.nextInt();
+        double a;
+        a = Math.random();
+        System.out.println(a*en14);
+
+    }
+
+    private static class Date extends java.util.Date {
+        public int getYear() {
+            return 0;
+        }
+    }
+
+    public class Test25 {
+        public  double avgArray(int[] arr){
+            int sum = 0;
+            for(int x:arr){
+                sum+=x;
+            }
+            return sum*1.0/arr.length;
+        }
+
+        public void main(String[] args) {
+            int[] arr = {1,2,3,4,5,6,7,8,9};
+            double avg = avgArray(arr);
+            System.out.println(avg);
+        }
+
+    }
+}
+
+