get方法和set方法

public class Teacher {
String name;
String subject;
int age;

Teacher(String n,String s){
name=n;
subject=s;
}

public void setName(String name){
    this.name=name;
}
public String getName(){
    return this.name;
}

public String getSubject() {
    return subject;
}

public void setSubject(String subject) {
    this.subject = subject;
}

public void showInfo(){
    System.out.println("name: "+name+" subject:"+subject);
}

}

public class Test{
    public static void main(String[] args) {
Teacher t=new Teacher("胡丽丽", "语文");
t.setName("李浩");
t.showInfo();
System.out.println(t.getName());

}
}