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  • Java 文件读写

    import java.io.*;
    import java.math.*;
    
    public class Main{
    	public static void main(String[] args) throws Exception{
    		//读取文件
    		BufferedReader br =new BufferedReader(new FileReader("E:1.txt"));
    		String line = "";
    		while((line = br.readLine()) != null){
    		    System.out.println(line);
                        int g=Integer.parseInt(line);//字符串转数字
    		}
    		br.close();
    		int g=Integer.parseInt(line);
    		//写文件
    		BufferedWriter brout = new BufferedWriter(new FileWriter("E:2.txt"));
    		brout.write("输出的内容");
    		brout.flush(); //刷新缓冲区的数据到文件
    		brout.close();
    	}
    }
    
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  • 原文地址:https://www.cnblogs.com/s1124yy/p/6660415.html
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