public class student
时间: 2023-05-02 08:00:53 浏览: 37
"public class student" 是一个Java中定义学生类的语句。在这个类中可以包含各种属性和方法,用来描述和操作学生对象的行为和特征。例如,可以定义学生的姓名、年龄、性别等属性,同时还可以定义获取学生信息、修改学生成绩、计算学生平均分等方法。
相关问题
完善下列代码:public class Student { private int id; private String name; private int classId; private int teacherId; // 构造函数、Getter和Setter方法 } public class Class { private int id; private String name; private int teacherId; // 构造函数、Getter和Setter方法 } public class Teacher { private int id; private String name; // 构造函数、Getter和Setter方法 }
下面是完整的代码:
```java
public class Student {
private int id;
private String name;
private int classId;
private int teacherId;
public Student(int id, String name, int classId, int teacherId) {
this.id = id;
this.name = name;
this.classId = classId;
this.teacherId = teacherId;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getClassId() {
return classId;
}
public void setClassId(int classId) {
this.classId = classId;
}
public int getTeacherId() {
return teacherId;
}
public void setTeacherId(int teacherId) {
this.teacherId = teacherId;
}
}
public class Class {
private int id;
private String name;
private int teacherId;
public Class(int id, String name, int teacherId) {
this.id = id;
this.name = name;
this.teacherId = teacherId;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getTeacherId() {
return teacherId;
}
public void setTeacherId(int teacherId) {
this.teacherId = teacherId;
}
}
public class Teacher {
private int id;
private String name;
public Teacher(int id, String name) {
this.id = id;
this.name = name;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
```
在每个类中,我们定义了构造函数和Getter/Setter方法来设置和获取私有变量。这些方法使得我们可以封装这些类并从其他类中访问它们的属性。
改错 public class Student{(String number, String name, String Sex,String Class1){
需要在类名和参数列表之间添加一个空格,同时参数列表中的数据类型应该放在参数名之前,正确的代码应该是:
public class Student {
public Student(String number, String name, String sex, String class1) {
// 构造方法的具体实现
}
}