diff --git "a/work/com/java/minxi/java_20240419/java_2302_\351\273\204\344\277\212\346\264\201_2344310247/Main.java" "b/work/com/java/minxi/java_20240419/java_2302_\351\273\204\344\277\212\346\264\201_2344310247/Main.java"
new file mode 100644
index 0000000000000000000000000000000000000000..e1921ad9ae8950a2807f52fdd5ae6cbeb0881e0e
--- /dev/null
+++ "b/work/com/java/minxi/java_20240419/java_2302_\351\273\204\344\277\212\346\264\201_2344310247/Main.java"
@@ -0,0 +1,7 @@
+package com.java.minxi.java_20240419.java_2302_黄俊洁_2344310247;
+
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("hjj");
+    }
+}
diff --git "a/work/com/java/minxi/java_20240423/java_2302_\351\273\204\344\277\212\346\264\201_2344310247/Hjj.java" "b/work/com/java/minxi/java_20240423/java_2302_\351\273\204\344\277\212\346\264\201_2344310247/Hjj.java"
new file mode 100644
index 0000000000000000000000000000000000000000..db42bca241fcbc12995c6ac3b99248da6ffaaf5c
--- /dev/null
+++ "b/work/com/java/minxi/java_20240423/java_2302_\351\273\204\344\277\212\346\264\201_2344310247/Hjj.java"
@@ -0,0 +1,96 @@
+package com.java.minxi.java_20240423.java_2302_黄俊洁_2344310247;
+
+public class Hjj {
+
+    String brand;
+
+    int weight;
+
+    String type;
+
+    public void Laundry() {
+        System.out.println(brand + type + "洗衣服");
+    }
+
+    public void Cook() {
+        System.out.println(brand + type + "做饭");
+    }
+
+    public void Weight() {
+        System.out.println(brand + type + weight + "称重");
+    }
+
+    public Hjj() {
+    }
+
+    public Hjj(String brand, int weight, String type) {
+        this.brand = brand;
+        this.weight = weight;
+        this.type = type;
+    }
+
+    public String getBrand() {
+        return brand;
+    }
+
+    public void setBrand(String 海尔) {
+        this.brand = brand;
+    }
+
+    public int getWeight() {
+        return weight;
+    }
+
+    public void setWeight(int i) {
+        this.weight = weight;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String 冰箱) {
+        this.type = type;
+    }
+
+
+    public static class Rec {
+
+        String brand;
+        String type;
+
+        public void cold() {
+            System.out.println(brand + type + "正在制冷");
+        }
+
+        public void hot() {
+            System.out.println(brand + type + "正在制热");
+        }
+
+
+        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 Rec() {
+        }
+
+        public Rec(String brand, String type) {
+            this.brand = brand;
+            this.type = type;
+        }
+    }
+
+}
diff --git "a/work/com/java/minxi/java_20240423/java_2302_\351\273\204\344\277\212\346\264\201_2344310247/Main.java" "b/work/com/java/minxi/java_20240423/java_2302_\351\273\204\344\277\212\346\264\201_2344310247/Main.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d0d38caca5216cc568a64e3f72aa110fd9018ee9
--- /dev/null
+++ "b/work/com/java/minxi/java_20240423/java_2302_\351\273\204\344\277\212\346\264\201_2344310247/Main.java"
@@ -0,0 +1,64 @@
+package com.java.minxi.java_20240423.java_2302_黄俊洁_2344310247;
+
+public class Main {
+    public static void main(String[] args) {
+    Hjj e1 = new Hjj();
+    e1.brand = "海尔";
+    e1.type = "洗衣机";
+    e1.Laundry();
+
+    Hjj e2 = new Hjj();
+    e2.brand = "美的";
+    e2.type = "电饭锅";
+    e2.Cook();
+
+        Hjj e3 = new Hjj();
+    e3.brand = "海尔";
+    e3.type = "冰箱";
+    e3.weight = 50;
+    e3.Weight();
+
+    Hjj.Rec e4 = new Hjj.Rec();
+    e4.brand = "大金";
+    e4.type = "空调";
+    e4.cold();
+
+    System.out.println("-------------------");
+
+    Hjj e5 = new Hjj();
+    e5.setBrand("海尔");
+    e5.setType("洗衣机");
+    e5.Laundry();
+
+    Hjj e6 = new Hjj();
+    e6.setBrand("美的");
+    e6.setType("电饭锅");
+    e6.Cook();
+
+    Hjj e7 = new Hjj();
+    e7.setBrand("海尔");
+    e7.setType("冰箱");
+    e7.setWeight(50);
+    e7.Weight();
+
+    Hjj.Rec e8 = new Hjj.Rec();
+    e8.setBrand("大金");
+    e8.setType("空调");
+    e8.cold();
+
+    System.out.println("-------------------");
+
+        Hjj e9 = new Hjj("海尔",0,"洗衣机");
+    e9.Laundry();
+
+        Hjj e10 = new Hjj("美的",0,"电饭锅");
+    e10.Cook();
+
+        Hjj e11 = new Hjj("海尔",50,"冰箱");
+    e11.Weight();
+
+        Hjj.Rec e12 = new Hjj.Rec("大金","空调");
+    e12.cold();
+
+  }
+}