java定义成员变量

package seven; 

 public class Student {
	private String name;  //定义成员变量，name学生姓名；
	private float wscore,xscore,yscore,average,sum;  //wscore语文成绩，xscore数学成绩，yscore英语成绩，average平均分，sum总分；

	void setname(String name) {
		this.name=name;  //给学生姓名赋值；
	}
	
	String getname() {  
		return name;  //获取学生姓名;
	}
	
	void setwscore(float wscore) {
		this.wscore=wscore;  //给语文成绩赋值；
		
	}
	
	float getwscore() {
		return wscore;  //获取语文成绩；
	}
	
	void setxscore(float xscore) {
		this.xscore=xscore;    //给数学成绩赋值；
		
	}
	
	float getxscore() {
		return xscore;  //获取数学成绩；
	}
	
	void setyscore(float yscore) {
		this.yscore=yscore;  //给英语成绩赋值；
		
	}
	
	float getyscore() {  //获取英语成绩；
		return yscore;
	}
	
	Student(String name,float wscore,float xscore,float yscore){
		this.name=name;
		this.wscore=wscore;
		this.xscore=xscore;
		this.yscore=yscore;
	}
	
	public void average() {
		average=(getwscore()+getxscore()+getyscore())/3;  //构造计算平均分的方法；
	}
	
	public void sum() {
		sum=getwscore()+getxscore()+getyscore();  //构造计算总分的方法；
	}
	
	void show() {
		System.out.println("姓名："+name+"\t语文成绩："+wscore+"\t数学成绩："+xscore+"\t英语成绩："+yscore+"\t平均分："+average+"\t总成绩："+sum);
	}  //显示输出姓名成绩等

}
package seven;
import seven.Student;

public class Test {
	public static void main (String [] args) {
		Student s1=new Student("张毅",90.5f,87f,75.5f);  
		s1.average();  //调用方法
		s1.sum();
		s1.show();
		Student s2=new Student("张而",97f,69.5f,87.5f);
		s2.average();
		s2.sum();
		s2.show();
		Student s3=new Student("张散",95f,79.5f,72f);
		s3.average();
		s3.sum();
		s3.show();
		
	}

}