student.java

学生的基本信息显示资料,方便学生的管理,仅供java初学者查阅

class student{
  // 成员变量
String name;
String number;
int age;
char sex;
String department;
float[] score=new float[3];
// 构造方法
public student(String name,String number){
this.name=name;
this. number = number;
}
public student(String name,String number, String department){
this.name=name;
this. number = number;
this. department = department;
}
public student(String name,String number, int age, char sex, String department){
this.name=name;
this. number = number;
this. age = age;
this. sex = sex;
this. department = department;
}
// 成员方法 
void setScore(float[] f2){                 // 设置成绩
for(int i=0;i<score.length;i++)
   score[i]=f2[i];
}
void printf(String s){                     // 显示所有信息
System.out.println("学号: "+number+"  姓名:"+name+"  性别:"+sex+"  年龄:"+age+"  系:"+department);
}
void printf(int i){                        // 显示基本信息
System.out.println("学号: "+number+"  姓名:"+name+"  系:"+department);
}
void printf(){                           // 显示成绩
System.out.println("成绩: "+score[2]);
}
}
public class studentDemo{
public static void main(String[] arg){
float[] f1={87.2f,90.5f,85.5f};
student s1=new student("li hong","0057120",21,'f',"信息系");
s1.setScore(f1);
s1.printf("所有信息");
s1.printf(2);
s1.printf();
}
}