<h1 id="java-memory-model">java memory model</h1> <p><strong>Java memory model (Java Memory Model (JMM) is a specification that meets the memory model, blocking the differences between the visits of

<h3 id="java-class-loading-mechanism">java class loading mechanism</h3> <p><strong>Class loading mechanism</strong></p> <p>The so -called class loading mechanism is that the JVM virtual machine loads

<h3 id="five-ways-to-create-objects-in-java">Five ways to create objects in Java</h3> <p>This article will introduce five ways to create a Java object:</p> <ul> <li>use the new keyword</li> <li>use

Why Kafka’s speed is so fast? 1. Use partition to implement parallel processing

<h3 id="java-basic-sleep-and-interrupt">Java basic sleep and interrupt</h3> <ol> <li> <p>interrupt is used to send a termination notification signal to the thread, which will affect the interrupt flag

<h3 id="the-difference-between-java-basic-wait-and-sleep">The difference between Java basic wait and sleep</h3> <ol> <li> <p>Sleep is a method in Thread, which is a static method, and wait is a method

<h3 id="the-difference-between-volatile-and-synchronized">The difference between volatile and synchronized</h3> <ol> <li> <p>The essence of volatile is to tell the jvm that the value of the current

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<pre tabindex="0"><code>import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.layout.StackPane; import javafx.stage.Stage; /** *

<p>We use a total of six methods to traverse the HashMap. The computational efficiency method is to record the time before the traversal and the end time after the traversal. The time difference is