问如何将List<String>转换为逗号(，)分隔的字符串

EN

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import java.util.*;
import java.util.stream.*;

// one class needs to have a main() method
public class HelloWorld
{
  // arguments are passed using the text field below this editor
  public static void main(String[] args)
  {
    List<String> scopeList = Arrays.asList("settings","locations","accounts","notifications");
    System.out.print(scopeList.stream().collect(Collectors.joining(",")));
  }
}