Exception in thread "main" java.lang.NullPointerException at test.AdjMGraph.InitateAaj(AdjMGraph.jav

Exception in thread "main" java.lang.NullPointerException at test.AdjMGraph.InitateAaj(AdjMGraph.java:48 at test.AdjMGraph.InitateAaj(AdjMGraph.java:48) at test.Main.main(Main.java:10)) 出錯的原因原來是定義數組後沒

>>阅读原文<<