疑問 Java は全部値渡し!?
値渡し 参照渡し
String型は参照型?
http://qiita.com/chihiro/items/06460671a45b2b2582f1
int[] array = {10,20,30}; System.out.println("呼び出し前:" + array[0]); method(array); System.out.println("呼び出し後:" + array[0]); void method(int[] array){ int[] nums = {100,200,300}; array= nums; }