How to use Scanner in Java to retrieve a string

In Java, you can use the Scanner class to get user input for strings. Here is a simple example:

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        // 创建Scanner对象
        Scanner scanner = new Scanner(System.in);

        // 提示用户输入字符串
        System.out.print("请输入一个字符串：");

        // 使用nextLine()方法获取用户输入的字符串
        String input = scanner.nextLine();

        // 打印输入的字符串
        System.out.println("你输入的字符串是：" + input);

        // 关闭Scanner对象
        scanner.close();
    }
}

In the previous example, we first create a Scanner object that reads user input from the standard input stream (System.in). We then use the nextLine() method to get the user’s input as a string and store it in a variable named “input”. Finally, we print out the user’s input string.

Please note that it is best to call the close() method after using the Scanner class to release resources.