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1 生成二维数组 private void fillRandom(long seed) { final Random random = new Random(seed); IntStream.range(0, size) .forEach(row -> IntStream.range(0, size 阅读全文
posted @ 2020-11-19 17:19
longlong6296
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1 输出棋盘的方法： static void drawBoard(char[][] board) { char letters = 'A'; int digits = 1; for (int i = 0; i <= 10; i++) { for (int j = 0; j <= 10; j++) { 阅读全文
posted @ 2020-11-11 17:00
longlong6296
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注意在循环中在try语句中使用nextInt()方法至少两次以上时，如果在第一次nextInt() catch exception 并重新执行循环，那么接下来的nextInt（）执行的是之前输入行未读取晚剩下的部分， 有可能进入循环。解决方法是 先全部读取成，然后再判断. private void 阅读全文
posted @ 2020-11-05 12:29
longlong6296
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Sometimes after mapping and filtering a stream, you need to use it more than one time. For example, find the maximum and count all the elements of a r 阅读全文
posted @ 2020-09-30 08:34
longlong6296
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Implement a method for finding min and max elements of a stream in accordance with a given comparator. The found elements pass to minMaxConsumer in th 阅读全文
posted @ 2020-09-29 09:16
longlong6296
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Given a class named Range. It represents a range from A (inclusive) to B (exclusive). The class implements the interface Iterable, therefore, an insta 阅读全文
posted @ 2020-09-28 14:39
longlong6296
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You're dealing with a string consisting of brackets. Write a program to examine whether the pairs of "{", "}", "(", ")", "[", "]" are correct or balan 阅读全文
posted @ 2020-09-28 12:24
longlong6296
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Some info: HTML is a markup language, that is based on tags. There are many types of tags, for example, html, div, h1, h2. Each type of tag has start 阅读全文
posted @ 2020-09-28 11:08
longlong6296
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Write a program simulating a stack that can effectively return the current max element. Your program should read a sequence of commands of different t 阅读全文
posted @ 2020-09-28 08:50
longlong6296
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The simplest spell checker is the one based on a list of known words. Every word in the text is being searched for in this list and, if such word was 阅读全文
posted @ 2020-09-27 19:33
longlong6296
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