文本删除指定字符串
/**
?*
?*/
package lyt;
import java.util.*;
/**
?* @author Administrator
?*
?*/
public class Lyt1 {
?/**
? * @param args
? *///向一個(gè)文件夾里輸入相應(yīng)的字符串，然后將字符讀出來，進(jìn)行刪除指定字符的操作。
?public static void main(String[] args) throws Exception {
??// TODO Auto-generated method stub
??String str0="",str2=""; String str="",str1="";
???? java.io.File file=new java.io.File("lyt.txt");
???? Scanner input=new Scanner(System.in);
???? if(file.exists())
???? {
??? ? System.out.print("File already exits");
??? ? System.exit(0);
???? }
???? java.io.PrintWriter output=new java.io.PrintWriter(file);?
???? Scanner input0=new Scanner(file);
???? System.out.print("請(qǐng)輸入一串字符串：");
???? str1=input.next();
???? while(str1.equals("end")==false)
???? {??? ?
??? ? output.print(str1 + " ");
??? ? str1=input.next();
???? }??
??? output.close();????
???? while(input0.hasNext())
???? {
??? ? str=input0.next();?
??? ? str0=str0+str + " ";
??? ? output.print(str + " ");
???? }?
???? java.io.PrintWriter output1=new java.io.PrintWriter(file);
???? System.out.print("請(qǐng)輸入要?jiǎng)h除的字符串：");
???? str2=input.next();
??? ? str0=str0.replaceAll(str2,"");
??? ? output1.print(str0 + " ");
???? input0.close();
???? input.close();
???? output1.close();???
???? }???
?}
?
轉(zhuǎn)載于:https://www.cnblogs.com/12345678lyt/archive/2012/12/10/2811521.html
總結(jié)
