learning java FileReader

Posted 2022-06-12 lianghong881018

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.nio.charset.Charset;

public class FileReaderTest 
    public static void main(String[] args) 
        try 
            var fr = new FileReader("FileReaderTest.java");
            
                var cbuf = new char[1024];
                var hasRead = 0;
                while ((hasRead = fr.read(cbuf)) > 0)
                    System.out.println(new String(cbuf, 0, hasRead));
                
            
         catch (FileNotFoundException e) 
            e.printStackTrace();
         catch (IOException e) 
            e.printStackTrace();