5.6Student类

class Student{
	private String stuno;
	private String name;
	private float math;
	private float english;
	private float computer;
	public Student(){}
	public Student(String stuno,String name,float math,float english,float computer){
		this.setStuno(stuno);
		this.setName(name);
		this.setMath(math);
		this.setEnglish(english);
		this.setComputer(computer);
	}
	public void setStuno(String s){
		stuno=s;
	}
	public void setName(String n){
		name=n;
	}
	public void setMath(float m){
		math=m;
	}
	public void setEnglish(float e){
		english=e;
	}
	public void setComputer(float c){
		computer=c;
	}
	public String getStuno(){
		return stuno;
	}
	public String getName(){
		return name;
	}
	public float getMath(){
		return math;
	}
	public float getEnglish(){
		return english;
	}
	public float getComputer(){
		return computer;
	}
	public float sum(){
		return math+english+computer;
	}
	public float ave(){
		return this.sum()/3;
	}
	public float max(){
		float max=math;
		max=max>computer?max:computer;
		max=max>english?max:english;
		return max;
	}
	public float min(){
		float min=math;
		min=min<computer?min:computer;
		min=min<english?min:english;
		return min;
	}
};

public class main {

	public static void main(String[] args){
		Student stu=null;
		stu=new Student("MLDN-33","li",95.0f,89.0f,96.0f);
		System.out.println("stuno:"+stu.getStuno());
		System.out.println("name:"+stu.getName());
		System.out.println("math:"+stu.getMath());
		System.out.println("english:"+stu.getEnglish());
		System.out.println("computer:"+stu.getComputer());
		System.out.println("max:"+stu.max());
		System.out.println("min:"+stu.min());
	}

}

result：

stuno:MLDN-33
name:li
math:95.0
english:89.0
computer:96.0
max:96.0
min:89.0