21.12.6 月

• Deque 구성요소 출력할 때 Enhanced For Loop을 쓰면 된다!
• JVM 종료시키는 메서드

  System.exit(0)​

• Process finished with exit code 0

It means that there is no error with your code. You have run it right through and there is nothing wrong with it

• 자바 여러줄 입력받기

import java.util.Arrays;
import java.util.Scanner;
 
class Main
{
    // Read multiline input in Java using `Scanner` class
    public static void main(String[] args)
    {
        Scanner scanner = new Scanner(System.in);
 
        while (scanner.hasNextLine())
        {
            String[] tokens = scanner.nextLine().split("\\s");
            System.out.println(Arrays.toString(tokens));
        }
 
        scanner.close();
    }
}

• token: the smallest meaningful unit of information in a sequence of data for a compiler.
• Array 출력법: print 메서드에 다음 코드를 넣으면 된다.

  Arrays.toString(array_name)​