範例

public class ClassA {{
public void test () {
SimpleDateFormat sdf = new SimpleDateFormat();
}
}

解決方案
一律新增一個 Locale 引數到 SimpleDateFormat 變數宣告中

public class ClassA {{
public void test () {
Locale loc = Locale.US ;
SimpleDateFormat sdf = new SimpleDateFormat("", loc);
}
}