What does console mean in java

The Console class in Java provides access to an interactive console session, allowing you to read and write text and format output, and also provides methods to get and set console properties such as echo mode, character encoding, and input Buffer size.

Console in Java

In Java, Console is a class that Provides access to interactive console sessions. It allows you to read input from the user and output messages to the user.

Function

• Read and write text: Console class provides read() and write() method, used to read text from the console and output text to the console.
• Formatted output: You can format console output using the format() and printf() methods.
• Read password: Console class provides the readPassword() method for reading the password entered by the user from the console.
• Console Properties: Console The class also provides methods to get and set console properties such as echo mode, character encoding, and input buffer size.

How to use

To use the Console class, you need to first get its instance:

<code class="java">Console console = System.console();</code>

ifSystem.console() Returns null, which means the current environment does not support interactive console sessions.

Application Example

The following is a simple example showing how to use the Console class to read input from the user and output messages to the user:

<code class="java">public static void main(String[] args) {
    Console console = System.console();

    // 从用户读取姓名
    String name = console.readLine("请输入您的姓名：");

    // 向用户输出欢迎消息
    console.printf("欢迎 %s！", name);
}</code>

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