InputStream ins = this.getClass().getResourceAsStream("/cn/zhao/properties/testPropertiesPath2.properties");

InputStream in = getClass().getResourceAsStream("资源Name");

import java.util.Properties;  
import java.io.InputStream;  
import java.io.IOException;  
 
/**  
* 读取Properties文件的例子  
* File: TestProperties.java  
* User: leizhimin  
* Date: 2008-2-15 18:38:40  
*/   
public  final  class TestProperties {  
   private  static String param1;  
   private  static String param2;  
 
   static {  
    Properties prop = new Properties();  
    InputStream in = Object. class .getResourceAsStream( "/test.properties" );  
     try {  
      prop.load(in);  
      param1 = prop.getProperty( "initYears1" ).trim();  
      param2 = prop.getProperty( "initYears2" ).trim();  
    } catch (IOException e) {  
      e.printStackTrace();  
    }  
  }  
 
   /**  
   * 私有构造方法，不需要创建对象  
   */   
   private TestProperties() {  
  }  
 
   public  static String getParam1() {  
     return param1;  
  }  
 
   public  static String getParam2() {  
     return param2;  
  }  
 
   public  static  void main(String args[]){  
    System.out.println(getParam1());  
    System.out.println(getParam2());  
  }  
}  

File fileB = new File( this .getClass().getResource( "" ).getPath()); 
System. out .println( "fileB path: " + fileB);  

System. out .println("user.dir path: " + System. getProperty ("user.dir"))

/** 
 
   *获取项目的相对路径下文件的绝对路径 
 
   * 
 
   * @param parentDir 
 
   *目标文件的父目录,例如说,工程的目录下,有lib与bin和conf目录,那么程序运行于lib or 
 
   * bin,那么需要的配置文件却是conf里面,则需要找到该配置文件的绝对路径 
 
   * @param fileName 
 
   *文件名 
 
   * @return一个绝对路径 
 
   */ 
 
  public static String getPath(String parentDir, String fileName) { 
 
    String path = null; 
 
    String userdir = System.getProperty("user.dir"); 
 
    String userdirName = new File(userdir).getName(); 
 
    if (userdirName.equalsIgnoreCase("lib") 
 
        || userdirName.equalsIgnoreCase("bin")) { 
 
      File newf = new File(userdir); 
 
      File newp = new File(newf.getParent()); 
 
      if (fileName.trim().equals("")) { 
 
        path = newp.getPath() + File.separator + parentDir; 
 
      } else { 
 
        path = newp.getPath() + File.separator + parentDir 
 
            + File.separator + fileName; 
 
      } 
 
    } else { 
 
      if (fileName.trim().equals("")) { 
 
        path = userdir + File.separator + parentDir; 
 
      } else { 
 
        path = userdir + File.separator + parentDir + File.separator 
 
            + fileName;  
      } 
 
    } 
     return path; 
 
  } 

InputStream ips1 = Enumeration . class .getClassLoader() .getResourceAsStream( "cn/zhao/enumStudy/testPropertiesPath1.properties" ); 
InputStream ips2 = Enumeration . class .getResourceAsStream( "testPropertiesPath1.properties" ); 
InputStream ips3 = Enumeration . class .getResourceAsStream( "properties/testPropertiesPath2.properties" );