How to create classes and objects in JShell in Java 9?
Aug 31, 2023 am 11:25 AMJShell是在Java 9中发布的一种新的Java shell工具。它是第一个官方的REPL(Read-Evaluate-Print-Loop)应用程序。该工具有助于执行和评估简单的Java程序和逻辑,例如语句、循环、表达式等等。Java REPL在命令提示符下提供了一个简单的编程环境。它可以读取输入、评估它并打印输出。
在下面的示例中,我们可以使用命令提示符在JShell中创建一个类和对象。
示例
<strong>jshell> class Employee { ...> private String name; ...> Employee(String name) { ...> this.name=name; ...> } ...> String getName() { ...> return name; ...> } ...> void setName(String name) { ...> this.name=name; ...> } ...> } | created class Employee</strong>
示例
<strong>jshell> Employee emp = new Employee("Adithya") emp ==> Employee@4b952a2d jshell> emp.getName() $3 ==> "Adithya"</strong>
The above is the detailed content of How to create classes and objects in JShell in Java 9?. For more information, please follow other related articles on the PHP Chinese website!

Hot Article

Hot tools Tags

Hot Article

Hot Article Tags

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

Top 4 JavaScript Frameworks in 2025: React, Angular, Vue, Svelte

How does Java's classloading mechanism work, including different classloaders and their delegation models?

Iceberg: The Future of Data Lake Tables

How do I use Maven or Gradle for advanced Java project management, build automation, and dependency resolution?

How can I use JPA (Java Persistence API) for object-relational mapping with advanced features like caching and lazy loading?

Spring Boot SnakeYAML 2.0 CVE-2022-1471 Issue Fixed

Node.js 20: Key Performance Boosts and New Features

How do I implement multi-level caching in Java applications using libraries like Caffeine or Guava Cache?
