read.java

来自「a Java program that reads a file contain」· Java 代码 · 共 25 行

import java.io.*;

class read
{
	public static void main(String args[]) throws Exception
	{
		if(args.length>=1)
		{
			try{
					BufferedReader inFile=new BufferedReader(new FileReader(args[0]));
					String line;
					while((line=inFile.readLine())!=null)
						System.out.println(line);
					inFile.close();
				}catch(IOException e){
					System.out.println("an error");
				}
			}
		else
			System.err.println("file error");
			

	}
}