Use String[] arrBoth = java.util.Arrays.copyOf(arr1, arr1.length + arr2.length) to skip the first for loop. Saves time proportional to ... ... <看更多>

class可以是Integer、Double、Float、String...等，也可以是自己宣告的class。 方法. 方法, 說明. <ArrayList>.add(T), 新增元素T進入指定的ArrayList. ... <看更多>

this tutorial shows you how to use the JavaScript Array splice method to delete existing elements, insert new elements, and replace elements in an array. ... <看更多>