package practise02;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class Exe05 {
	public static void main(String[] args) throws IOException {
		String[] args1=new String[] {"C:\\Users\\Hyerkers\\Desktop\\qwe.txt","C:\\Users\\Hyerkers\\Desktop\\qwe2.txt"};
		if (args1.length != 2) {
			System.err.println("Usage:\n  java CopyFile.java <source> <target>");
			System.exit(1);
		}
		copy(args1[0],args1[1] );
	}

	static void copy(String source, String target) throws IOException {
		// 友情提示：测试时请使用无关紧要的文件
		// TODO:
		try (InputStream input = new FileInputStream(source);
			     OutputStream output = new FileOutputStream(target))
			{
				
			    input.transferTo(output); 
			    System.out.println("复制成功");
	}
}
}