java求平均分与总成绩

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1、packageApril;importjava.util.Scanner;publicclassA1{doublejavascore;doublecscore;doubledbscore;doubleavg;doublesum;Scannerinput=newScanner(System.in);publicvoidsum(){sum=javascore+cscore+dbscore;System.out.println("总成绩是:"+sum);}publicvoidavg(){avg=(javascore+cscore+dbscore)/3;S

2、ystem.out.println("平均成绩是:"+avg);cscore=input.nextInt();}publicstaticvoidmain(String[]args){Scannerinput=newScanner(System.in);A1xx=newA1();System.out.print("输入Java课程成绩:");xx.javascore=input.nextInt();System.out.print("输入C#课程成绩:");xx.cscore=input.nextInt();System.out.print("输入D

3、B课程成绩:");xx.dbscore=input.nextInt();xx.sum();xx.avg();}}