java讀入一行輸入

// Java program to demonstrate working of Scanner in Java
import java.util.Scanner;
 
class GetInputFromUser {
    public static void main(String args[])
    {
        // Using Scanner for Getting Input from User
        Scanner in = new Scanner(System.in);
 
        String s = in.nextLine();
        System.out.println("You entered string " + s);
 
        int a = in.nextInt();
        System.out.println("You entered integer " + a);
 
        float b = in.nextFloat();
        System.out.println("You entered float " + b);
    }
}