import java.util.Scanner;
//学生类
public class Student{
//姓名,年龄,爱好
private String name;
private int age;
private String habit;
//构造方法
Student(String x,int y,String z){
this.name = x;
this.age = y;
this.habit = z;
}
//打印
public void print(){
}
//返回姓名
public String getPerName(){
return name;
}
//传入姓名
public void setPerName(String name){
this.name = name;
}
//返回年龄
public int getPerAge(){
return age;
}
//传入年龄
public void setPerAge(int aga){
if(age>0&&age<150){
this.age = age;
}
}
//返回爱好
public String getPerHabit(){
return habit;
}
//传入爱好
public void setPerHabit(String habit){
this.habit = habit;
}
//main方法
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
System.out.println("请输入学生姓名:");
String name = sc.nextLine();
System.out.println("请输入学生年龄:");
String age = sc.nextLine();
System.out.println("请输入学生爱好:");
String habit = sc.nextLine();
Student s = new Student();
setPerName(name);
setPerAge(aga);
setPerHabit(habit);
System.out.println("添加成功");
System.out.println("姓名:"+name+ "\t年龄:"+age+"\t爱好:"+habit);
}
}
你写的是有参构造方法,直接这么写就行了
Student s = new Student(name, Integer.parseInt(age), habit);
没有无参数会报错,age是int,不能用nextline