zfstream.java

Java语言程序设计-源代码（第三部分）和课程相对应的提供了一些用于学习理解的代码设计

import java.io.*;
public class ZFStream{
	public static void main(String args[]){
		FileReader in;
		FileWriter out1,out2;
		int count,k=-1,n=-1;
		char ch[]=new char[1024];
		char c[]=new char[1024];
		char s[]=new char[1024];
		try
		{
			in = new FileReader("test1.txt");
			out1 = new FileWriter("test2.txt");
			out2 = new FileWriter("test3.txt");
		    while((count=in.read(ch,0,1024))!=-1)
		      { for (int i=0;i<count;i++)
		      	{if (Character.isLetter(ch[i]))
		      	   {k++;
		      	    c[k]=ch[i];}
		         else
		           {n++;
		            s[n]=ch[i];}
		           }
		       System.out.println(new String(c));	
		       System.out.println(new String(s));
		       out1.write(c);
		       out2.write(s);
		      }    
		    System.out.println("区分并保存成功！");	
		    in.close();
		    out1.close();
		    out2.close();
		}catch(IOException e){}
		}
	}