FATAL [Servlet.Engine.Transports : 2] (LoggingExceptionHandler.java:54) - java.lang.NullPointerException at java.lang.Throwable.<init>(Throwable.java:54) at java.lang.Throwable.<init>(Throwable.java:68) at java.lang.NullPointerException.<init>(NullPointerException.java:63)
最近、C#を勉強し始めたのですが、 class A{ public static void Main(){ double i; i = 1 System.Console.WriteLine(i); i = i / 3 System.Console.WriteLine(i); } } ではなく、 i = 1.0