各位大大好 小弟在自學JAVA (JAVA)for迴圈問題 - 趣味新聞網

發表日期 2009-06-09T10:59:01+08:00

     本帖最後由 ilovewayni 於 2009-6-9 23:17 編輯

各位大大好，小弟在自學JAVA，因為朋友也有在學，不過他們有個問題我也不曉得怎麼解決
程式碼如以下，輸齣已經沒問題瞭，不過重點就再怎麼縮減阿@@"
因為我對於程式語言不太瞭解，希望哪位大大可以幫忙解答或者教教小弟。
小弟很想把程式語言學好。自己會思考，不過這個好像就是頭腦打瞭個結
希望大大們能幫小弟一個忙，謝謝。
小弟知道需要用到FOR迴圈以及陣列。可是基礎不好，請大大告知小弟迴圈以及陣列如何使用
再次謝謝

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import java.io.*;
class Book implements Serializable{
String number,chinese,math,english,number1,chinese1,math1,english1,number2,chinese2,math2,english2;


void show(){System.out.println(number+" "+chinese+" "+english+" "+math+" "
+" "+number1+" "+chinese1+" "+english1+" "+math1+" "
+" "+number2+" "+chinese2+" "+english2+" "+math2+" ");}
}

class ObjectInOutEx{
public static void main(String[]args) throws Exception{


Book book1 = new Book();
File file_Book1=new File("Book1.txt");
file_Book1.createNewFile();


System.out.print("學號：");
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br =new BufferedReader(isr);
book1.number = br.readLine();

System.out.print("國文：");
isr = new InputStreamReader(System.in);
br = new BufferedReader(isr);
book1.chinese = br.readLine();

System.out.print("英文：");
isr = new InputStreamReader(System.in);
br = new BufferedReader(isr);
book1.english = br.readLine();

System.out.print("數學：");
isr = new InputStreamReader(System.in);
br = new BufferedReader(isr);
book1.math = br.readLine();

System.out.print("學號：");
book1.number1 = br.readLine();

System.out.print("國文：");
isr = new InputStreamReader(System.in);
br = new BufferedReader(isr);
book1.chinese1 = br.readLine();

System.out.print("英文：");
isr = new InputStreamReader(System.in);
br = new BufferedReader(isr);
book1.english1 = br.readLine();

System.out.print("數學：");
isr = new InputStreamReader(System.in);
br = new BufferedReader(isr);
book1.math1 = br.readLine();

System.out.print("學號：");
book1.number2 = br.readLine();

System.out.print("國文：");
isr = new InputStreamReader(System.in);
br = new BufferedReader(isr);
book1.chinese2 = br.readLine();

System.out.print("英文：");
isr = new InputStreamReader(System.in);
br = new BufferedReader(isr);
book1.english2 = br.readLine();

System.out.print("數學：");
isr = new InputStreamReader(System.in);
br = new BufferedReader(isr);
book1.math2 = br.readLine();

br.close();
isr.close();
System.out.println("資料輸入中 請稍候"+file_Book1.getName()+"...");
FileOutputStream fos = new FileOutputStream(file_Book1);
ObjectOutputStream oos=new ObjectOutputStream(fos);
oos.writeObject(book1);
oos.close();
fos.close();
FileInputStream fis = new FileInputStream(file_Book1);
ObjectInputStream ois = new ObjectInputStream(fis);
System.out.println(file_Book1.getName()/*BOOK的命名*/+" file to");
System.out.println("----------------------------");
try{((Book)ois.readObject()).show();}
catch(EOFException e){System.out.println("top");}
ois.close();
fis.close();
}
}
------------------------------------------------------------------------------------------
--------------------Configuration: <Default>--------------------
學號：96810010
國文：99
英文：97
數學：98
學號：96810011
國文：58
英文：64
數學：88
學號：96810013
國文：87
英文：78
數學：96
資料輸入中 請稍候Book1.txt...
Book1.txt file to
----------------------------
96810010    99  97  98
96810011    58  64  88
96810013    87  78  96

Process completed.

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