[golden three silver four sides trial season] Java object-oriented high-frequency interview questions

  the golden three silver four is a good time for job hopping and salary increase. BOGO has sorted out a lot of high-frequency interview questions to help you find a better job. Oh, pay attention and thank you for your support. Object oriented interview questions 1. Talk about your understanding of object-oriented thinking? Process or ...

Added by duclet on Mon, 07 Mar 2022 15:15:44 +0200

Random talk: how does the log portal slf4j integrate the log framework

I preface This article discusses some simple things, mainly to understand what log portal is and how it is integrated II Log portal The Java Development Manual published by Ali has such a mandatory specification: The API in the logging system (Log4j, Logback) can not be directly used in the application, but the API in the logging framework ...

Added by Gregghawes on Mon, 07 Mar 2022 09:11:55 +0200

Detailed explanation of JavaScript event flow

DOM event flow To understand the event flow, we must first understand three points: Elements are not independent, they are connected in seriesAfter a single element triggers an event, it will affect other elementsMode of event flow: event capture (proposed by Netscape) and event bubbling (proposed by IE) Let's take the above figure as ...

Added by pbjpb on Sun, 06 Mar 2022 13:48:01 +0200

LeetCode-149. Maximum number of points on a line

Topic source 149. Maximum number of points on a line Title details Give you an array of points, where points[i] = [xi, yi] represents a point on the X-Y plane. Find the maximum number of points on the same line. Example 1: Input: points = [[1,1],[2,2],[3,3]] Output: 3 Example 2: Input: points = [[1,1],[3,2],[5,3],[4,1],[2,3],[1,4]] Output: 4 ...

Added by gavin1996 on Sun, 06 Mar 2022 04:54:42 +0200

Roll it up and take you to write a distributed RPC framework that middle and senior programmers will know

I summary What is RPC? Remote service callOfficial: the idea of requesting services from remote computer programs through the network without understanding the underlying network technologyA little more popular: without knowing the details of the call, the client calls an object that exists on the remote computer, just like calling an objec ...

Added by Skipjackrick on Sat, 05 Mar 2022 13:47:51 +0200

[classes and objects] initialization list, friends, static members, internal classes

Hello, bald men. Today, let's continue to talk about classes and objects Key points of this chapter Initialization listFriendsstatic memberInner classUnderstand encapsulation again Let's talk about constructors After studying the first two chapters [classes and objects], let's take a look at the structure Constructor body assignment ...

Added by incubi on Sat, 05 Mar 2022 07:32:39 +0200

Interviewer must ask series: handwritten publish subscribe mode and observer mode

catalogue preface 1. Publish subscribe mode definition Handwritten publish subscribe mode 2. Observer mode definition Handwriting observer mode 3. The fundamental difference between the two preface Publish subscriber mode and observer mode are two design modes. They are the same in essence, but there are also differences. There are ...

Added by martins on Sat, 05 Mar 2022 01:13:24 +0200

Basic Lecture Notes

Basic chapter Key points of basic part: algorithm, data structure and basic design mode 1. Binary search requirement Be able to describe the binary search algorithm in your own languageAble to write binary search codeBe able to answer some changed test methods Algorithm description Premise: there is A sorted array A (assuming it is ...

Added by davidlenehan on Fri, 04 Mar 2022 20:05:05 +0200

Continuous integration interface automation - jmeter+ant+jenkins and HTML report extension

ant batch execute Jmeter 1, Environmental preparation 1. JDK environment: Java Downloads | Oracle 2. ANT environment: Apache Ant - Binary Distributions 3,Jmeter: Apache JMeter - Download Apache JMeter 4. Add ant-jmeter-1.1.1. To the extras directory of JMeter Copy the jar package to the lib directory under the ant installation directory 5 ...

Added by sunnyside on Fri, 04 Mar 2022 19:37:54 +0200

Recursion and divide and conquer thought 3

Link: Login - professional IT written examination interview preparation platform_ Niuke network Source: niuke.com   Middle order sequence Given the preorder traversal and postorder traversal sequences of a binary tree with n nodes, find the middle order traversal sequence. If a node has only one child node, it will be regarded as the left c ...

Added by d_mc_a on Fri, 04 Mar 2022 07:58:10 +0200