学步园

import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;


public class ClassPathTest {

	/**
	 * @param args
	 * @throws Exception 
	 */
	public static void main(String[] args) throws Exception {
		//找得到
		 File file = new File("bin/com/ethan/test/readme.txt");
		 String path = file.getAbsolutePath();
		 System.out.println(file.getAbsolutePath());
		 
//		 FileInputStream fis = new FileInputStream(new File(path));
//		 InputStream is =  ClassPathTest.class.getClassLoader().getResourceAsStream("com/ethan/test/readme.txt");
		 
		 //DataOutputStream 先writeUTF写入内容和内容长度，才可以用readUTF读出来。
		InputStream is =  ClassPathTest.class.getResourceAsStream("com/ethan/test/readme.txt");
		 DataInputStream dis = new DataInputStream(is);
		 byte[] buf = new byte[4096];
		 int len = dis.read(buf);
	 System.out.println(new String(buf,0,len));
	 is.close();
	}

}