/** * Return whether the given throwable is a checked exception: * that is, neither a RuntimeException nor an Error. * @param ex the throwable to check * @return whether the throwable is a checked exception * @see java.lang.Exception * @see java.lang
/** * Determine whether the given object is an array: * either an Object array or a primitive array. * @param obj the object to check */ public static boolean isArray(Object obj) { return (obj != null && obj.getClass().isArray()); } /** * Determin
网址:https://leetcode.com/problems/check-if-word-is-valid-after-substitutions/ 参考:https://leetcode.com/problems/check-if-word-is-valid-after-substitutions/discuss/247626/JavaPythonC%2B%2B-Stack-Solution-O(N 方法1:使用c++自带的find函数和erase函数 class Solution { p