diff --git a/.idea/modules.xml b/.idea/modules.xml
index 3aa439a..1687a9f 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -4,6 +4,7 @@
+
diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
new file mode 100644
index 0000000..e96534f
--- /dev/null
+++ b/.idea/uiDesigner.xml
@@ -0,0 +1,124 @@
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\ No newline at end of file
diff --git a/Week4/Week4.iml b/Week4/Week4.iml
new file mode 100644
index 0000000..c90834f
--- /dev/null
+++ b/Week4/Week4.iml
@@ -0,0 +1,11 @@
+
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\ No newline at end of file
diff --git a/Week4/src/Class5/Employee.java b/Week4/src/Class5/Employee.java
new file mode 100644
index 0000000..15ede66
--- /dev/null
+++ b/Week4/src/Class5/Employee.java
@@ -0,0 +1,64 @@
+package Class5;
+
+/**
+ * @author : 张宇轩
+ * @createTime : 2022/9/21 - 9:10
+ */
+public class Employee {
+ private String id;
+ private String name;
+ private String department;
+ private Float baseSalary;
+
+ public Employee() {
+ }
+
+ public Employee(String id, String name, String department, Float baseSalary) {
+ this.id = id;
+ this.name = name;
+ this.department = department;
+ this.baseSalary = baseSalary;
+ }
+
+ public String getId() {
+ return id;
+ }
+
+ public void setId(String id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public String getDepartment() {
+ return department;
+ }
+
+ public void setDepartment(String department) {
+ this.department = department;
+ }
+
+ public Float getBaseSalary() {
+ return baseSalary;
+ }
+
+ public void setBaseSalary(Float baseSalary) {
+ this.baseSalary = baseSalary;
+ }
+
+ @Override
+ public String toString() {
+ return "Class5.Employee{" +
+ "id='" + id + '\'' +
+ ", name='" + name + '\'' +
+ ", department='" + department + '\'' +
+ ", baseSalary=" + baseSalary +
+ '}';
+ }
+}
diff --git a/Week4/src/Class5/work/Rectangle.java b/Week4/src/Class5/work/Rectangle.java
new file mode 100644
index 0000000..510acd3
--- /dev/null
+++ b/Week4/src/Class5/work/Rectangle.java
@@ -0,0 +1,28 @@
+package Class5.work;
+
+/**
+ * @author : 张宇轩
+ * @createTime : 2022/9/21 - 9:17
+ */
+public class Rectangle {
+ private Double length;
+ private Double width;
+
+ public Rectangle() {
+ this.length = 1.0;
+ this.width = 1.0;
+ }
+
+ public Rectangle(Double length, Double width) {
+ this.length = length;
+ this.width = width;
+ }
+
+ public double calculateArea(){
+ return length*width;
+ }
+
+ public double calculatePerimeter(){
+ return (length+width)*2;
+ }
+}
diff --git a/Week4/src/Class5/work/RectangleTest.java b/Week4/src/Class5/work/RectangleTest.java
new file mode 100644
index 0000000..3fd15af
--- /dev/null
+++ b/Week4/src/Class5/work/RectangleTest.java
@@ -0,0 +1,13 @@
+package Class5.work;
+
+/**
+ * @author : 张宇轩
+ * @createTime : 2022/9/21 - 9:20
+ */
+public class RectangleTest {
+ public static void main(String[] args) {
+ Rectangle rectangle = new Rectangle(3.0,4.0);
+ System.out.println("矩形的面积：" + rectangle.calculateArea());
+ System.out.println("矩形的周长：" + rectangle.calculatePerimeter());
+ }
+}
diff --git a/Week4/src/Class5/work/Student.java b/Week4/src/Class5/work/Student.java
new file mode 100644
index 0000000..4b100d9
--- /dev/null
+++ b/Week4/src/Class5/work/Student.java
@@ -0,0 +1,30 @@
+package Class5.work;
+
+/**
+ * @author : 张宇轩
+ * @createTime : 2022/9/21 - 9:14
+ */
+public class Student {
+ private String name;
+ private String phoneNumber;
+ private String studentNumber;
+
+ public Student(String name, String phoneNumber, String studentNumber) {
+ this.name = name;
+ this.phoneNumber = phoneNumber;
+ this.studentNumber = studentNumber;
+ }
+
+ @Override
+ public String toString() {
+ return "Student{" +
+ "name='" + name + '\'' +
+ ", phoneNumber='" + phoneNumber + '\'' +
+ ", studentNumber='" + studentNumber + '\'' +
+ '}';
+ }
+
+ public void displayStudent(){
+ System.out.println(this.toString());
+ }
+}
diff --git a/Week4/src/Class5/work/StudentTest.java b/Week4/src/Class5/work/StudentTest.java
new file mode 100644
index 0000000..24b5f52
--- /dev/null
+++ b/Week4/src/Class5/work/StudentTest.java
@@ -0,0 +1,12 @@
+package Class5.work;
+
+/**
+ * @author : 张宇轩
+ * @createTime : 2022/9/21 - 9:17
+ */
+public class StudentTest {
+ public static void main(String[] args) {
+ Student admin = new Student("admin", "123456", "123456");
+ admin.displayStudent();
+ }
+}
diff --git a/out/production/Week4/Class5/Employee.class b/out/production/Week4/Class5/Employee.class
new file mode 100644
index 0000000..de75de7
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diff --git a/out/production/Week4/Class5/work/Rectangle.class b/out/production/Week4/Class5/work/Rectangle.class
new file mode 100644
index 0000000..150b358
Binary files /dev/null and b/out/production/Week4/Class5/work/Rectangle.class differ
diff --git a/out/production/Week4/Class5/work/RectangleTest.class b/out/production/Week4/Class5/work/RectangleTest.class
new file mode 100644
index 0000000..41a0402
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diff --git a/out/production/Week4/Class5/work/Student.class b/out/production/Week4/Class5/work/Student.class
new file mode 100644
index 0000000..a69986b
Binary files /dev/null and b/out/production/Week4/Class5/work/Student.class differ
diff --git a/out/production/Week4/Class5/work/StudentTest.class b/out/production/Week4/Class5/work/StudentTest.class
new file mode 100644
index 0000000..64c7c5a
Binary files /dev/null and b/out/production/Week4/Class5/work/StudentTest.class differ