試題詳解

如下列的Java 程式: 1 public class TestString{ 2 public static void main(String argv[]) { 3 String str = \"5566\"; 4 str = str+24; 5 System.out.print(str); 6 } 7 } 其執行結果為?
(A)5566
(B)556624
(C)5590
(D)An exception will be thrown at runtime.