高级功能-文件操作

高级功能-文件操作

package com.cs.model;

import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;

public class TestWrite {
	public static void main(String[] args) {
		
		try {
			Writer write=new FileWriter("D:\\AliWorkbenchData\\qwer.txt");
			write.write("学习java编程！");
			write.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	

}

package com.cs.model;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;

public class TestRead {
	public static void main(String[] args) {
		try {
			Reader reader = new FileReader("D:\\AliWorkbenchData\\qwer.txt");
			char c[] = new char[1024];
			try {
				while (reader.read(c)>0) {
					System.out.println(c);
				}
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}