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  • 大小: 41KB
    文件類型: .zip
    金幣: 2
    下載: 0 次
    發布日期: 2021-05-14
  • 語言: Java
  • 標簽: java??txt文件??

資源簡介

關于數據查找與提取的java代碼,使用者可以通過java 程序進行對txt文件內容的咨詢與查找

資源截圖

代碼片段和文件信息

/*
?*?Name:?Serge?Babayan
?*?Date:?March?4?2014
?*?Assignment:OOP?Assignment?Part?1-?Reading?from?a?flat?file
?*?Description:?Main?method?that?reads?from?a?flat?file?sorts?everything?into?proper?arrays
?*/

import?java.io.*;?
import?libraries.*;//importing?libraries?where?student?class?is?located

public?class?Main{?

public?static?void?main(String?args[]){



//creating?Buffered?reader?object?to?read?from?the?flat?file
try{
BufferedReader?in?=?new?BufferedReader?(new?FileReader?(“student_flat.txt“));

//creating?string?object?to?hold?a?line?from?the?flat?file
String?line;

//figuring?out?how?many?lines?the?flat?file?has
int?numberOfLines=0;
while((line=in.readLine())!=null){
numberOfLines++;
}

//creating?new?buffered?reader?object

BufferedReader?in2?=?new?BufferedReader?(new?FileReader?(“student_flat.txt“));

//creating?arrays?to?hold?all?different?types?of?info
String?studentNumbers[]=new?String?[numberOfLines];?//no?data?manipulation?necessary?so?using?string
String?studentName?[]=new?String?[numberOfLines];
String?studentAddress[]=new?String?[numberOfLines];
String?studentDateOfBirth[]=new?String?[numberOfLines];
int?studentAge[]=new?int?[numberOfLines];
int?studentGrade[]=new?int[numberOfLines];
String?studentPhoneNumber[]=new?String?[numberOfLines];//no?data?manipulation?necessary?so?using?string
boolean?literacyTestStatus[]=new?boolean[numberOfLines];
String?studentFirstLanguage[]=new?String[numberOfLines];
int?studentCommunityHours[]=new?int[numberOfLines];
int?studentCreditsAcquired[]=new?int[numberOfLines];
double[]?studentAverage=new?double[numberOfLines];




int?currentLineNumber=0;?//setting?a?counter?so?it?only?cycles?up?to?the?amount?of?lines?there?are

//while?loop?to?cycle?through?each?line?of?the?file

while((line=in2.readLine())!=null){

String?delimiter=““;?//splitting?up?each?line?into?it‘s?different?components
String[]?temporaryArray=line.split(delimiter);?//creating?temporary?array?to?hold?each?part?of?the?line

//sorts?components?of?each?line?in?the?proper?array
studentNumbers[currentLineNumber]=temporaryArray[0];
studentName[currentLineNumber]=?temporaryArray[1];
studentAddress[currentLineNumber]=temporaryArray[2];
studentDateOfBirth[currentLineNumber]=temporaryArray[3];
studentAge[currentLineNumber]=Integer.parseInt(temporaryArray[4]);
studentGrade[currentLineNumber]=Integer.parseInt(temporaryArray[5]);
studentPhoneNumber[currentLineNumber]=temporaryArray[6];
//setting?literacy?test?status
if?(temporaryArray[7].equals(“Pass“)){
literacyTestStatus[currentLineNumber]=true;
}
else?if?(temporaryArray[7].equals(“Fail“)){
literacyTestStatus[currentLineNumber]=false;
}
studentFirstLanguage[currentLineNumber]=temporaryArray[8];
studentCommunityHours[currentLineNumber]=Integer.parseInt(tempor

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????178??2014-03-07?22:25??ICS4U-Assignment?1(Serge?Hassan?Ryan)\How?to?use?the?Documentation.txt
?????目錄???????????0??2014-03-07?22:26??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?1\
?????目錄???????????0??2014-03-07?22:19??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?1\libraries\
?????文件????????7372??2014-03-07?22:19??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?1\libraries\Student.java
?????文件????????4299??2014-03-07?13:56??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?1\Main.java
?????文件????????2965??2014-03-07?16:37??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?1\Pseudo?code?for?reading?from?a?file.txt
?????文件????????1042??2014-03-07?13:55??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?1\student_flat.txt
?????目錄???????????0??2014-03-07?22:26??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?2\
?????目錄???????????0??2014-03-07?22:26??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?2\libraries\
?????文件????????7976??2014-03-07?22:09??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?2\libraries\Helper.java
?????文件????????7377??2014-03-07?22:09??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?2\libraries\Student.java
?????文件????????4557??2014-03-07?22:09??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?2\Main.java
?????文件?????????619??2014-03-07?17:54??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?2\Pseudo?code?for?find?method.txt
?????文件????????1040??2014-03-07?22:22??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Part?2\student_flat.txt
?????文件????????9880??2014-03-07?22:55??ICS4U-Assignment?1(Serge?Hassan?Ryan)\SoftwareProjectPlan.docx
?????文件???????20694??2014-03-07?22:13??ICS4U-Assignment?1(Serge?Hassan?Ryan)\Student?Info?Database.chm
?????文件????????5722??2014-03-07?22:16??ICS4U-Assignment?1(Serge?Hassan?Ryan)\UML?for?Student?Class.docx

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