所以这是第一次使用任何 bluemix 服务，我收到以下错误，在网上找不到与此相关的任何帮助。我错过了一些基本的设置吗？
任何帮助表示赞赏，谢谢。
错误是：
> Error: Could not find or load main class
> com.ibm.watson.developer_cloud.personality_insights.v3.Main
屏幕截图：http: //imgur.com/a/ArkP6
代码：
package com.ibm.watson.developer_cloud.personality_insights.v3;
import com.ibm.watson.developer_cloud.personality_insights.v3.model.Profile;
public class Main {
public static void main(String[] args) {
System.out.println("kek");
PersonalityInsights service = new PersonalityInsights("2016-10-19");
service.setUsernameAndPassword(Blanked);
// Demo content from Moby Dick by Hermann Melville (Chapter 1)
String text = "Call me Ishmael. Some years ago-never mind how long precisely-having "
+ "little or no money in my purse, and nothing particular to interest me on shore, "
+ "I thought I would sail about a little and see the watery part of the world. "
+ "It is a way I have of driving off the spleen and regulating the circulation. "
+ "Whenever I find myself growing grim about the mouth; whenever it is a damp, "
+ "drizzly November in my soul; whenever I find myself involuntarily pausing before "
+ "coffin warehouses, and bringing up the rear of every funeral I meet; and especially "
+ "whenever my hypos get such an upper hand of me, that it requires a strong moral "
+ "principle to prevent me from deliberately stepping into the street, and methodically "
+ "knocking people's hats off-then, I account it high time to get to sea as soon as I can. "
+ "This is my substitute for pistol and ball. With a philosophical flourish Cato throws himself "
+ "upon his sword; I quietly take to the ship. There is nothing surprising in this. "
+ "If they but knew it, almost all men in their degree, some time or other, cherish "
+ "very nearly the same feelings towards the ocean with me. There now is your insular "
+ "city of the Manhattoes, belted round by wharves as Indian isles by coral reefs-commerce surrounds "
+ "it with her surf. Right and left, the streets take you waterward.";
ProfileOptions options = new ProfileOptions.Builder().text(text).build();
Profile profile = service.profile(options).execute();
System.out.println(profile);
}
}