标签:java
/*** * * @author Administrator *学生的成绩3门课 的总分,,平均分,,最大值 * 最小值 * * * * */ public class HomeWork { public static void main(String[] args) { // TODO Auto-generated method stub Student s=new Student("小白",95f,78f,79.5f); // s.show(); // s.sum(); // s.avg(); System.out.println(s.getName()+"的信息为:"+s.show()); System.out.println(s.sum()); System.out.println(s.avg()); s.topScore(); s.lowScore(); } } /** * 学生类 */ class Student{ private String name; private float computer;//计算机成绩 private float sports;//体育成绩 private float music;// //getter/setter 方法, public void setName(String name){ this.name=name; } public String getName(){ return name; } //构造方法 public Student(){}//默认构造方法一般要保留Ctrl+D删除一行 public Student(String name,float computer,float sports,float music){ this.name=name; this.computer=computer; this.music=music; this.sports=sports; } //求总分 // public void sum(){ // float sum=computer+sports+music; // System.out.println(name+"的总成绩为:"+sum); // } public float sum(){ float sum=computer+sports+music; return sum; } //求平均分 public float avg(){ float avg=sum()/3; //System.out.println(name+"的平均成绩为:"+avg); return avg; } //求最高分 public void topScore(){ //用三木运算符 float max=computer>=sports?computer:sports; max=max>=music?max:music; System.out.println(name+"的最高成绩为:"+max); } //求最低分 public void lowScore(){ float min=computer<=sports?computer:sports; min=min<=music?min:music; System.out.println(name+"的最低成绩为:"+min); } //输出学生的全部信息 // public void show(){ // System.out.println("我是:"+name+"体育成绩为:" // +sports+"计算机成绩是:"+computer+"音乐成绩为:"+music); // } public String show(){ return "我是:"+name+"体育成绩为:" +sports+"计算机成绩是:"+computer+"音乐成绩为:"+music; } }
标签:java
原文地址:http://blog.csdn.net/qq_19434741/article/details/41481205