diff --git "a/work/com/java/minxi/java_20240415/java_2302_\345\210\230\346\263\242_2344310221/Main.java" "b/work/com/java/minxi/java_20240415/java_2302_\345\210\230\346\263\242_2344310221/Main.java"
new file mode 100644
index 0000000000000000000000000000000000000000..eff46dd7a36312a1346c30dfffd7b3166d8b683c
--- /dev/null
+++ "b/work/com/java/minxi/java_20240415/java_2302_\345\210\230\346\263\242_2344310221/Main.java"
@@ -0,0 +1,12 @@
+package com.java.minxi.java_20240415.java_2302_刘波_2344310221;
+
+public class Main {
+    public static void main(String[] args) {
+        for (int i = 0; i <=9; i++) {
+            for (int j = 0; j <=9; j++) {
+                System.out.print(i+"×"+j+"="+i*j+" ");
+            }
+            System.out.println(" ");
+        }
+    }
+}
diff --git "a/work/com/java/minxi/java_20240415/java_2302_\345\274\240\344\270\211_2000212322/MainTest.java" "b/work/com/java/minxi/java_20240415/java_2302_\345\274\240\344\270\211_2000212322/MainTest.java"
deleted file mode 100644
index fdbea2f2d88a9f2c1c547cb790d3c74660015b13..0000000000000000000000000000000000000000
--- "a/work/com/java/minxi/java_20240415/java_2302_\345\274\240\344\270\211_2000212322/MainTest.java"
+++ /dev/null
@@ -1,8 +0,0 @@
-package com.java.minxi.java_20240415.java_2302_张三_2000212322;
-
-public class MainTest {
-
-    public static void main(String[] args) {
-        System.out.println("Hello World");
-    }
-}
\ No newline at end of file
diff --git "a/work/com/java/minxi/java_20240418/java_2302_\345\210\230\346\263\242_2344310221/Main1.java" "b/work/com/java/minxi/java_20240418/java_2302_\345\210\230\346\263\242_2344310221/Main1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..f059b89c337cd9c588e8c9a641e7c276fc0b1189
--- /dev/null
+++ "b/work/com/java/minxi/java_20240418/java_2302_\345\210\230\346\263\242_2344310221/Main1.java"
@@ -0,0 +1,13 @@
+package com.java.minxi.java_20240418.java_2302_刘波_2344310221;
+
+public class Main1 {
+    public static void main(String[] args) {
+        Student stu1= new Student(1,"张三",21,1);
+        Student stu2= new Student(1,"李四",25,1);
+        Student stu3= new Student(1,"王五",19,0);
+
+        stu2.run();
+        stu1.eat();
+        stu3.sleep();
+    }
+}
diff --git "a/work/com/java/minxi/java_20240418/java_2302_\345\210\230\346\263\242_2344310221/Student.java" "b/work/com/java/minxi/java_20240418/java_2302_\345\210\230\346\263\242_2344310221/Student.java"
new file mode 100644
index 0000000000000000000000000000000000000000..645a5024956fa18b860d7fecb1d789a553d86b39
--- /dev/null
+++ "b/work/com/java/minxi/java_20240418/java_2302_\345\210\230\346\263\242_2344310221/Student.java"
@@ -0,0 +1,23 @@
+package com.java.minxi.java_20240418.java_2302_刘波_2344310221;
+
+public class Student {
+    public int id;
+    public String name;
+    public int age;
+    public int sex;
+    public Student(int id,String name,int age,int sex){
+        this.id=id;
+        this.name=name;
+        this.age=age;
+        this.sex=sex;
+    }
+    public void run(){
+        System.out.println(this.name+"正在跑步");
+    }
+    public void eat(){
+        System.out.println(this.name+"正在睡觉");
+    }
+    public void sleep(){
+        System.out.println(this.name+"正在睡觉");
+    }
+}
diff --git "a/work/java_20240423/java_2302_\345\210\230\346\263\242_2344310221/Homework1.java" "b/work/java_20240423/java_2302_\345\210\230\346\263\242_2344310221/Homework1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..84722055bf3e7c95288dac5a6a291a31a980364b
--- /dev/null
+++ "b/work/java_20240423/java_2302_\345\210\230\346\263\242_2344310221/Homework1.java"
@@ -0,0 +1,80 @@
+package java_20240423.java_2302_刘波_2344310221;
+    public class Homework1 {
+        String brand;
+        int weight;
+        String type;
+        public static class method {
+            String brand;
+            String type;
+
+            public method() {
+            }
+
+            public method(String brand, String type) {
+                this.brand = brand;
+                this.type = type;
+            }
+
+            public String getBrand() {
+                return brand;
+            }
+            public void setBrand(String brand) {
+                this.brand = brand;
+            }
+            public String getType() {
+                return type;
+            }
+            public void setType(String type) {
+                this.type = type;
+            }
+            public void hot(){
+                System.out.println(this.brand+this.type+"正在制热");
+            }
+            public void ice(){
+                System.out.println(this.brand+this.type+"正在制冷");
+            }
+
+        }
+            public Homework1(String brand,int weight, String type) {
+                this.brand = brand;
+                this.weight = weight;
+                this.type = type;
+            }
+            public String getBrand() {
+                return brand;
+            }
+            public void setBrand(String brand) {
+                this.brand = brand;
+            }
+
+            public int getWeight() {
+                return weight;
+            }
+            public void setWeight(int weight) {
+                this.weight = weight;
+            }
+
+            public String getType() {
+                return type;
+            }
+            public void setType(String type) {
+                this.type = type;
+            }
+
+
+
+            public void cook(){
+                System.out.print(this.brand+this.type+"正在炖鸡汤");
+            }
+
+            public void weight(){
+                System.out.print(this.brand+this.type+"有"+this.weight+"kg重");
+            }
+
+            public void wash(){
+                System.out.print(this.brand+this.type+"正在洗衣服");
+            }
+        }
+
+
+}
diff --git "a/work/java_20240423/java_2302_\345\210\230\346\263\242_2344310221/Homework2.java" "b/work/java_20240423/java_2302_\345\210\230\346\263\242_2344310221/Homework2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..8a37eadbb4468505a12b0bad47c1438cd9939fbd
--- /dev/null
+++ "b/work/java_20240423/java_2302_\345\210\230\346\263\242_2344310221/Homework2.java"
@@ -0,0 +1,60 @@
+package java_20240423.java_2302_刘波_2344310221;
+
+public class Homework2 {
+    public static void main(String[] args) {
+        Homework1 washer = new Homework1();
+        washer.brand = "海尔";
+        washer.type = "洗衣机";
+        washer.wash();
+        Homework1 cooker = new Homework1();
+        cooker.brand = "美的";
+        cooker.type = "电饭锅";
+        cooker.cook();
+        Homework1 fridge = new Homework1();
+        fridge.brand = "海尔";
+        fridge.type = "冰箱";
+        fridge.weight = 50;
+        fridge.weight();
+
+        Homework1.method hvac = new Homework1.method();
+        System.out.println('"');
+        hvac.brand = "大金";
+        hvac.type = "空调";
+        hvac.ice();
+        System.out.println('"');
+        System.out.println();
+
+        Homework1 washer1 = new Homework1();
+        washer1.setBrand("海尔");
+        washer1.setType("洗衣机");
+        washer1.wash();
+        Homework1 cooker1 = new Homework1();
+        cooker1.setBrand("美的");
+        cooker1.setType("电饭锅");
+        cooker1.cook();
+        Homework1 fridge1 = new Homework1();
+        fridge1.setBrand("海尔");
+        fridge1.setType("冰箱");
+        fridge1.setWeight(50);
+        fridge1.weight();
+
+        Homework1.method hvac1 = new Homework1.method();
+        System.out.println('"');
+        hvac1.setBrand("大金");
+        hvac1.setType("空调");
+        hvac1.ice();
+        System.out.println('"');
+        System.out.println();
+
+        Homework1 washer2 = new Homework1("海尔",50,"洗衣机");
+        washer2.wash();
+        Homework1 cooker2 = new Homework1("美的",6,"电饭锅");
+        cooker2.cook();
+        Homework1 fridge2 = new Homework1("海尔",50,"冰箱");
+        fridge2.weight();
+        Homework1.method hvac2 = new Homework1().method("大金","空调");
+        System.out.println();
+        hvac2.ice();
+        System.out.println();
+    }
+}