Java中的字符和字符串输入

import java.util.Scanner;

public class InputExample {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        System.out.print("请输入一个整数：");
        int num = scanner.nextInt();
        System.out.println("您输入的整数是：" + num);
        
        System.out.print("请输入一个字符串：");
        String str = scanner.next();
        System.out.println("您输入的字符串是：" + str);
        
        scanner.close();
    }
}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class InputExample {
    public static void main(String[] args) {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        
        try {
            System.out.print("请输入一个整数：");
            int num = Integer.parseInt(reader.readLine());
            System.out.println("您输入的整数是：" + num);
            
            System.out.print("请输入一个字符串：");
            String str = reader.readLine();
            System.out.println("您输入的字符串是：" + str);
            
            reader.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

import java.io.Console;

public class InputExample {
    public static void main(String[] args) {
        Console console = System.console();
        
        if (console != null) {
            System.out.print("请输入一个整数：");
            int num = Integer.parseInt(console.readLine());
            System.out.println("您输入的整数是：" + num);
            
            System.out.print("请输入一个字符串：");
            String str = console.readLine();
            System.out.println("您输入的字符串是：" + str);
        } else {
            System.out.println("无法使用Console类获取输入");
        }
    }
}