private String name的封装用途

发布时间：

2023-01-05 10:17

信息来源：

罗健娟

浏览次数：

360

package diqizhang; public class student { private String name; private float ywscore; private float sxscore; private float yyscore; static String schoolname; private float average; void setxx(String name,float ywscore,float sxscore,float yyscore) { thisname=name; thisywscore=ywscore; thissxscore=sxscore; thisyyscore=yyscore; } student(){ } student(String name,float ywscore,float sxscore,float yyscore){ thisname=name; thisywscore=ywscore; thissxscore=sxscore; thisyyscore=yyscore; } void count() { thisaverage=(ywscore+sxscore+yyscore)/3; } float getaverage() { return average; } String dengji() { String str = " "; if(average>90) str="优秀"; if(average>80) str="良好"; return str; } } package diqizhang; public class test { public static void main(String[] args) { studentschoolname="重庆中学"; student s1=new student();//创建对象 student s2=new student(); s1setxx("张三",902f,946f,888f);//调用set方法,给数据赋值 s1count();//调用count，求平均分 Systemoutprintln("张三"+s1schoolname+s1getaverage()+s1dengji());//等级 s2setxx("李四",888f,999f,888f); s2count(); Systemoutprintln("李四"+s2schoolname+s2getaverage()+s2dengji()); float pingjunfen=(s2getaverage()+s1getaverage())/2; Systemoutprintln("平均分为:"+pingjunfen);//总平均分 } }

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创建一个学生类 实现相应的计算3门学科的总分和平均分

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private封装数据