Here is Java 8 solution public static boolean contains(final int[] arr, final int key) { return Arrays.stream(arr). ... <看更多>

Given an int array, return true if the array contains 2 twice, or 3 twice. * The array will be length 0, 1, or 2. */. public boolean double23(int[] nums) {. ... <看更多>

當我們要儲存多個同型態的資料時，我們可以使用陣列（Array）。 ... int[] y = {53, 26, 37, 94}; ... (int)取得大小. <ArrayList>.contains(T), (boolean)是否存在元素T. ... <看更多>

8.9K views 3 years ago Java Fundamentals And Internal Mechanism. Show less. How to check whether an array contains a particular value? ... <看更多>

Apart from the suggestions given by @vnp, you can also try the logic with Java 8 Streams. private static boolean isContiguous(List<Integer> ... ... <看更多>