PropertiesUtil

package com.test.propertise;

import java.io.IOException;
import java.util.Properties;

import org.junit.Test;

public class PropertiesUtil {
private static Properties pro;
static{
pro = new Properties();

try {
pro.load(PropertiesUtil.class.getResourceAsStream("/com/test/propertise/app.properties"));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static String Get_By_Key(String key) {

return pro.getProperty(key);
}

}

key=123456789
key2=woshishui
key3=hello world