Tag: jdk

It turns out that this is the thread closing method recommended by JDK

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How to install JDK, Tomcat and MySQL and deploy back-end projects on Linux

Table of Contents Preface 1. Installation of JDK and Tomcat 1.JDK installation 2. Tomcat installation 2. Install MySQL 3. Backend interface deployment 1. Deploy the ssh front-end and back-end separation projects ?2. Deploy single project 3. Deploy the ssm front-end and back-end separation projects and modify the port number Foreword With the rapid development of […]

New features of JDK: Stream (API for operating collections and arrays)

1. Stream Case:4 public static void main(String[] args) { List<String> citiesl =new ArrayList<>(); Collections.addAll(citiesl,”Nanjing City”,”Yangzhou City”,”Nanyang City”,”Changzhou City”); System.out.println(citiesl);//[Nanjing City, Yangzhou City, Nanyang City, Changzhou City] //Method 1: Original method List<String> citiesls =new ArrayList<>(); for (String s : citiesl) { if (s.startsWith(“南”)){ citiesls.add(s); } } System.out.println(citiesls);//[Nanjing City, Nanyang City] //Method 2: Stream stream List<String>ciiesl2=citiesl.stream().filter(c->c.startsWith(“南”)).collect(Collectors.toList()); System.out.println(ciiesl2); […]

Discuss the cleverness of the return value of the binary search algorithm in the jdk source code

Article directory 1. What is the binary search algorithm? 1.1 Introduction 1.2 Implementation ideas 2. Example of binary search 3.Arrays.binarySearch() in jdk 4. Analysis of the core binary search method in jdk 4.1 Why low is the insertion point 4.2 Why negation is necessary: – (low + 1) 4.3 Why not directly return the opposite […]

[Linux] Configure JDK&Tomcat development environment, MySQL installation and back-end project deployment

Table of Contents 1. JDK and tomcat installation 2. Install Tomcat 3. MySQL installation 4. Backend deployment Foreword: Today we will install JDK, tomcat, and MySQL on Linux. I hope you can find your answer through this blog! ! ! 1. JDK and tomcat installation 1.1. First we must have the installation packages of apache-tomcat-8.5.20.tar.gz […]

Galaxy Kirin server system docker environment imports the base image, installs openjdk-1.8.0 and repackages it

In the docker environment of the Galaxy Kirin server system, import the base image, install openjdk-1.8.0 and repackage 1. System version 2. Install docker and start the service 1. Configure external network source 2.Install docker package 3. Start the service and set it to start automatically at boot 3. Base image import configuration 1. Upload […]

[Linux] Linux project deployment and configuration and installation of changing the access port number and building jdk, tomcat, and MySQL environments

Table of Contents 1. Function 2. Configuration 1. Upload the installation package 2.jdk 2.1. Unzip the corresponding installation package 2.2. Setting up environment variables 3. tomcat 3.1. Unzip the corresponding installation package 3.2. Start 3.3. Set up firewall 3.4. Set up development port 4. MySQL 3. Backend deployment 4. Linux deployment project 1. Single project […]

[Linux Virtual Machine] JDK, Tomcat, MySQL installation and configuration explanation

Table of Contents 1. Upload the installation package to the server 2. JDK and Tomcat installation 2.1 Unzip the installation package 2.2 Configure JDK environment variables 2.3 Configure Tomcat environment 3. MySQL installation and configuration 3.1 Delete the default database 3.2 Install the mysql installation package 3.3 mysql initialization operation 4. Backend interface deployment 4.1 […]