牛客网刷题(纯java题型 1~30题) 应该是先extend,然后implement class test extends A implements B { public static void main(String[] args) { } } 复制代码 java中四类八种基本数据类型整数类型:byte,short,int,long浮点类型: float,double逻辑型: boolean字符类型: char 浏览器根据html中指定的编码格式对参数进行编码,Tomcat根据指定的格式…
Description What would a programming contest be without a problem featuring an ASCII-maze? Do not despair: one of the judges has designed such a problem. The problem is about a maze that has exactly one entrance/exit, contains no cycles and has no em…
题目链接 http://codeforces.com/contest/711/problem/C Description ZS the Coder and Chris the Baboon has arrived at Udayland! They walked in the park where n trees grow. They decided to be naughty and color the trees in the park. The trees are numbered wit…
这几天看结城浩的<java多线程设计模式>,跟着做一些习题,有几道题目很有意思,记录下自己的体会. 首先是题目(在原书212页,书尾有解答): public class Main { public static void main(String[] args) { try { Blackhole.enter(new Object()); } catch (InterruptedException e) { e.printStackTrace(); } } } public class Blac…
题出自https://leetcode.com/problems/rotate-image/ 内容为: You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place? 简单的说就是给出一个n*n的二维数组,然后把这个数组进行90度顺时针旋转,而且不能使用额外的存储空间. 最初拿到这道题…