包含了Java SE Java学习资料 Java SE学习练习项目源码

package demo; public class Student { private String name;//名字 private int age;//年龄 private String gender;//性别 public Student(String name, int age, String gender) { this.name = name; this.age = age; this.gender = gender; } public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } public String getGender() { return gender; } public void setGender(String gender) { this.gender = gender; } public void introduce() { System.out.println("大家好！我是" + name + "，今年" + age + "岁，" + gender + "生。"); } public static void main(String[] args) { System.out.println("大一学生："); BigOneStudents freshman=new BigOneStudents("张三",18,"男","计算机系","计算机",11001,"1班","党员"); freshman.introduce(); System.out.println("小学生："); PrimaryStudent primaryStudent=new PrimaryStudent("李四",10,"男",1000,6); primaryStudent.introduce(); System.out.println("中学生："); MiddleStudent middleStudent=new MiddleStudent("小美",15,"女",10003,8,"团员"); middleStudent.introduce(); } } class PrimaryStudent extends Student { private int studentId;//学号 private int grade;//年级 public PrimaryStudent(String name, int age, String gender, int studentId, int grade) { super(name, age, gender); this.studentId = studentId; this.grade = grade; } public int getStudentId() { return studentId; } public void setStudentId(int studentId) { this.studentId = studentId; } public int getGrade() { return grade; } public void setGrade(int grade) { this.grade = grade; } } class MiddleStudent extends Student { private int studentId; private int grade; private String politicalStatus;//政治面貌 public MiddleStudent(String name, int age, String gender, int studentId, int grade, String politicalStatus) { super(name, age, gender); this.studentId = studentId; this.grade = grade; this.politicalStatus = politicalStatus; } public int getStudentId() { return studentId; } public void setStudentId(int studentId) { this.studentId = studentId; } public int getGrade() { return grade; } public void setGrade(int grade) { this.grade = grade; } public String getPoliticalStatus() { return politicalStatus; } public void setPoliticalStatus(String politicalStatus) { this.politicalStatus = politicalStatus; } } class CollegeStudent extends Student { private String department;//系别 private String major;//专业 public CollegeStudent(String name, int age, String gender, String department, String major) { super(name, age, gender); this.department = department; this.major = major; } public String getDepartment() { return department; } public void setDepartment(String department) { this.department = department; } public String getMajor() { return major; } public void setMajor(String major) { this.major = major; } } class BigOneStudents extends CollegeStudent { private int studentId; private String className; private String politicalStatus; public BigOneStudents(String name, int age, String gender, String department, String major, int studentId, String className, String politicalStatus) { super(name, age, gender, department, major); this.studentId = studentId; this.className = className; this.politicalStatus = politicalStatus; } public int getStudentId() { return studentId; } public void setStudentId(int studentId) { this.studentId = studentId; } public String getClassName() { return className; } public void setClassName(String className) { this.className = className; } public String getPoliticalStatus() { return politicalStatus; } public void setPoliticalStatus(String politicalStatus) { this.politicalStatus = politicalStatus; } } class BigTwoStudent extends CollegeStudent { private int studentId; private String className; private String politicalStatus; public BigTwoStudent(String name, int age, String gender, String department, String major, int studentId, String className, String politicalStatus) { super(name, age, gender, department, major); this.studentId = studentId; this.className = className; this.politicalStatus = politicalStatus; } public int getStudentId() { return studentId; } public void setStudentId(int studentId) { this.studentId = studentId; } public String getClassName() { return className; } public void setClassName(String className) { this.className = className; } public String getPoliticalStatus() { return politicalStatus; } public void setPoliticalStatus(String politicalStatus) { this.politicalStatus = politicalStatus; } } class BigThreeStudent extends CollegeStudent { private int studentId; private String className; private String politicalStatus; public BigThreeStudent(String name, int age, String gender, String department, String major, int studentId, String className, String politicalStatus) { super(name, age, gender, department, major); this.studentId = studentId; this.className = className; this.politicalStatus = politicalStatus; } public int getStudentId() { return studentId; } public void setStudentId(int studentId) { this.studentId = studentId; } public String getClassName() { return className; } public void setClassName(String className) { this.className = className; } public String getPoliticalStatus() { return politicalStatus; } public void setPoliticalStatus(String politicalStatus) { this.politicalStatus = politicalStatus; } }