1)编写一个Java程序片断,以定义一个表示学生的类Student。这个类的属性有“学号”、“班号”、“姓名”、“性别”、“年龄”,方法有“获得学号”、“获得班号”、“获得性别”、“获得姓名”、“获得年龄”。
2)为类Student增加一个方法public String toString( ),该方法把Student类的对象的所有属性信息组合成一个字符串以便输出显示。编写一个Java Application程序,创建Student类的对象,并验证新增加的功能。
package xin;
import java.util.Scanner;
public class Student {
int number;
String classnumber;
int age;
String name;
String sex;
Student(int x,String y,int z,String p){
number = x;
classnumber = y;
age = z;
name = p;
}
int getNumber() {
return number;
}
String getSClassnumber() {
return classnumber;
}
int getAge() {
return age;
}
String getName() {
return name;
}
String getSex() {
return sex;
}
public String toString() {
return "学号:"+number+" 班号:"+classnumber+" 姓名:"+name+" 性别:"+sex+" 年龄:"+age;
}
public static void main(String args[]) {
boolean boo,a;
int number1,age1;
String classnumber1,st;
String name1,sex1;
Student stu = new Student(1,"s",1,"xaio");
Scanner reader = new Scanner(System.in);
System.out.println("请输入学号、班号、姓名、性别、年龄:");
stu.number = reader.nextInt();
stu.classnumber = reader.next();
stu.name = reader.next();
stu.sex = reader.next();
stu.age = reader.nextInt();
st = stu.toString();
System.out.println(st);
System.out.println("是否修改该学生信息?");
System.out.println("如果修改则输入true,反之false");
a = reader.nextBoolean();
if(a) {
System.out.println("请输入学号、班号、姓名、性别、年龄:");
number1 = reader.nextInt();
classnumber1 = reader.next();
name1 = reader.next();
sex1 = reader.next();
age1 = reader.nextInt();
System.out.println("学号:"+number1+" 班号:"+classnumber1+
" 姓名:"+name1+" 性别:"+sex1+" 年龄:"+age1);
}
else
{System.out.println("继续执行下一步");}
System.out.println("输入true继续,false退出");
boo = reader.nextBoolean();
System.out.println("*********************");
if(boo) {
main(args);
}
else
System.out.println("程序无法执行!!!!");
}
}
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