本学期期末学员共参加了3门课的考试，即Java，C，SQL，编写方法计算每位学员3门课的平均分，
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解决时间 -01-17 13:45
提问者当我没来过
-01-16 19:37
本学期期末学员共参加了3门课的考试，即Java，C，SQL，编写方法计算每位学员3门课的平均分，
最佳答案
二级知识专家再见不见
-01-16 21:00
class Student { private double javaRecord; private double cRecord; private double sqlRecord; public Student(double javaRecord, double cRecord, double sqlRecord) { this.javaRecord = javaRecord; this.cRecord = cRecord; this.sqlRecord = sqlRecord; } public double getcRecord() { return cRecord; } public double getJavaRecord() { return javaRecord; } public double getSqlRecord() { return sqlRecord; }}public class StudentBiz { public double getAvg(Student stu) { return (stu.getJavaRecord()+stu.getcRecord()+stu.getSqlRecord())/3; } public static void main(String args[]) { Student stu = new Student(100, 80, 50); System.out.println("平均成绩是："+new StudentBiz().getAvg(stu)); }}
全部回答
1楼单剑走天涯
-01-16 21:59
classstudent{
privatedoublejavarecord;
privatedoublecrecord;
privatedoublesqlrecord;
publicstudent(doublejavarecord,doublecrecord,doublesqlrecord){
this.javarecord=javarecord;
this.crecord=crecord;
this.sqlrecord=sqlrecord;
}
publicdoublegetcrecord(){
returncrecord;
}
publicdoublegetjavarecord(){
returnjavarecord;
}
publicdoublegetsqlrecord(){
returnsqlrecord;
}
}
publicclassstudentbiz{
publicdoublegetavg(studentstu){
return(stu.getjavarecord()+stu.getcrecord()+stu.getsqlrecord())/3;
}
publicstaticvoidmain(stringargs[]){
studentstu=newstudent(100,80,50);
system.out.println("平均成绩是："+newstudentbiz().getavg(stu));
}
}
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