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我使用肯特大學開發的BlueJ環境創建遊戲。有一個PMD插件用於檢查代碼的有效性。檢查我的啓動類的代碼,我遇到一個問題後 - PMD顯示此警告消息:在Java中使用java.lang.ThreadGroup的問題
Avoid using java.lang.ThreadGroup; although it is intended to be used
in a threaded environment, it contains methods that are not thread safe
警告據報道,在這條線:
System.setOut(new java.io.PrintStream(System.out,true,characterSet));
有我的代碼:
import java.util.Scanner;
public class Start
{
static Game game = new Game();
public static void main(String[] args)
{
try {
String characterSet=System.getProperty("myGame.encoding");
if (characterSet != null) {
System.setOut(new java.io.PrintStream(System.out,true,characterSet));
}
}
catch (java.io.UnsupportedEncodingException e) {
// unsupported encoding
}
String name;
Scanner scan = new Scanner (System.in);
System.out.println("Enter Your nickname. \n ");
name = scan.nextLine();
System.out.println ("\n Hello " + name + ", I am glad to meet You \n ");
new TextInterface().play();
}
}
我已經閱讀了一些已經回答過的話題,但是在大多數情況下,這是PMD插件中的某種錯誤或者某種不相關的東西。我對Java很陌生,這似乎是它的高級部分。我該如何解決這個錯誤?