diff --git a/HelloWorld/Hello.java b/HelloWorld/Hello.java
new file mode 100644
index 0000000..c70617d
--- /dev/null
+++ b/HelloWorld/Hello.java
@@ -0,0 +1,5 @@
+public class Hello {
+    public void greet(String name) {
+        System.out.println("Hello, " + name + "!");
+    }
+}
diff --git a/HelloWorld/HelloWorld.class b/HelloWorld/HelloWorld.class
new file mode 100644
index 0000000..ec2ba65
Binary files /dev/null and b/HelloWorld/HelloWorld.class differ
diff --git a/HelloWorld/HelloWorld.java b/HelloWorld/HelloWorld.java
new file mode 100644
index 0000000..cdbc291
--- /dev/null
+++ b/HelloWorld/HelloWorld.java
@@ -0,0 +1,11 @@
+
+
+public class HelloWorld {
+    public static void main(String[] args) {
+        System.out.println("Hello, World!");
+
+        Hello hello = new Hello();
+        hello.greet("Alice");
+
+    }
+}
diff --git a/JavaBasicStudy/HelloJava.java b/JavaBasicStudy/HelloJava.java
new file mode 100644
index 0000000..679d9d5
--- /dev/null
+++ b/JavaBasicStudy/HelloJava.java
@@ -0,0 +1,27 @@
+package JavaBasicStudy;
+
+public class HelloJava {
+    enum Color {
+        RED,ORANGE,YELLOW,GREEN,BLUE,BLACK,WHITE    
+    }
+
+    public static void main(String[] args) {
+        HelloJava helloJava = new HelloJava();
+        helloJava.testHuHangTao();
+    }
+
+
+    
+    public void testHuHangTao(){
+        SWPUStudent HuHangTao = new SWPUStudent("胡航滔", 20, "2024520541", "网络工程", 3.8, "hht@stu.swpu.edu.cn", "12345678901", "四川省广安市", "男");
+        HuHangTao.ShowInfo();
+
+        HuHangTao.setGpa(4.5);
+        HuHangTao.setEmail(HuHangTao.getStudentID() + "@stu.swpu.edu.cn");
+        HuHangTao.setPhoneNumber("18782345678");
+        HuHangTao.ShowInfo();
+    }
+
+}
+
+
diff --git a/JavaBasicStudy/JavaBasicDataType.java b/JavaBasicStudy/JavaBasicDataType.java
new file mode 100644
index 0000000..d4014fe
--- /dev/null
+++ b/JavaBasicStudy/JavaBasicDataType.java
@@ -0,0 +1,25 @@
+package JavaBasicStudy;
+
+public class JavaBasicDataType {
+    public int integerType = 100; //整数类型
+    public float floatType = 3.14f; //单精度浮点类型
+    public double doubleType = 3.141592653589793; //双精度浮点类型
+    public char charType = 'A'; //字符类型
+    public boolean booleanType = true; //布尔类型
+    public String stringType = "Hello, Java!"; //字符串类型
+    public long longType = 123456789L; //长整型
+    public short shortType = 32000; //短整型
+    public byte byteType = 100; //字节型
+
+    public void displayDataTypes() {
+        System.out.println("整数类型 (int): " + integerType);
+        System.out.println("单精度浮点类型 (float): " + floatType);
+        System.out.println("双精度浮点类型 (double): " + doubleType);
+        System.out.println("字符类型 (char): " + charType);
+        System.out.println("布尔类型 (boolean): " + booleanType);
+        System.out.println("字符串类型 (String): " + stringType);
+        System.out.println("长整型 (long): " + longType);
+        System.out.println("短整型 (short): " + shortType);
+        System.out.println("字节型 (byte): " + byteType);
+    }
+}
diff --git a/JavaBasicStudy/SWPUStudent.java b/JavaBasicStudy/SWPUStudent.java
new file mode 100644
index 0000000..b2b805f
--- /dev/null
+++ b/JavaBasicStudy/SWPUStudent.java
@@ -0,0 +1,135 @@
+package JavaBasicStudy;
+
+public class SWPUStudent {
+    private String name; //学生姓名
+    private int age; //学生年龄
+    private String studentID; //学号
+    private String major; //专业
+    private double gpa; //绩点
+    private String email; //电子邮件
+    private String phoneNumber; //电话号码
+    private String address; //住址
+    private String gender; //性别
+
+    public SWPUStudent(String name, int age, String studentID, String major, double gpa, String email, String phoneNumber, String address, String gender) {
+        this.name = name;
+        this.age = age;
+        this.studentID = studentID;
+        this.major = major;
+        this.gpa = gpa;
+        this.email = email;
+        this.phoneNumber = phoneNumber;
+        this.address = address;
+        this.gender = gender;
+    }
+
+
+    public void ShowInfo() {
+        System.out.println("==================================");
+        System.out.println("西南石油大学学生信息：");
+        System.out.println("姓名: " + name);
+        System.out.println("年龄: " + age);
+        System.out.println("学号: " + studentID);
+        System.out.println("专业: " + major);
+        System.out.println("绩点: " + gpa);
+        System.out.println("电子邮件: " + email);
+        System.out.println("电话号码: " + phoneNumber);
+        System.out.println("住址: " + address);
+        System.out.println("性别: " + gender);
+        System.out.println("==================================");
+    }
+
+
+//======================对学生属性进行封装==================================
+
+    public String getName() {
+        return name;
+    }
+
+    public String setName(String name) {
+        return this.name = name;
+    }
+
+
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+
+
+
+    public String getStudentID() {
+        return studentID;
+    }
+
+    public void setStudentID(String studentID) {
+        this.studentID = studentID;
+    }
+
+
+
+    public String getMajor() {
+        return major;
+    }
+
+    public void setMajor(String major) {
+        this.major = major;
+    }
+
+
+
+    public double getGpa() {
+        return gpa;
+    }
+
+    public void setGpa(double gpa) {
+        this.gpa = gpa;
+    }
+
+
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+
+
+    public String getPhoneNumber() {
+        return phoneNumber;
+    }
+
+    public void setPhoneNumber(String phoneNumber) {
+        this.phoneNumber = phoneNumber;
+    }
+
+
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String address) {
+        this.address = address;
+    }
+
+
+
+    public String getGender() {
+        return gender;
+    }
+
+    public void setGender(String gender) {
+        this.gender = gender;
+    }
+//======================对学生属性进行封装==================================
+
+
+}