Scanner를 이용한 배열, 기본 입출력

java는 c나 c++과 입출력이 많이 다르네요.

 

 

public class Main {

    public static void main(String[] args) {

        int arr[] = new int[10];
        int[] arr2 = new int[10];

        char cc[] = {'a', 'b'};

        System.out.println(arr.length);
        System.out.println(cc);

        String str[] = new String[4];
        str[0] = "zero";
        str[1] = "first";
        str[2] = "second";


        System.out.println(str);

        String[] members;
        members = new String[]{"aaa"};
        members = new String[]{"bbb"};
        System.out.println(members[0]);

        int doubleArray[][] = new int[5][10];
        int doubleArray2[][] = {{1, 2}, {2}};

        System.out.println(doubleArray2[0].length);
        System.out.println(doubleArray[0].length);


        String message;
        Scanner scanner = new Scanner(System.in);

//        System.out.println("메시지를 입력 하세요");
//
//        message = scanner.nextLine();
//
//        System.out.println("입력 메시지 \n" + message + "\n");
//
//        int inter1 = scanner.nextInt();
//        System.out.println(inter1);

//        do{
//            System.out.println("값을 입력하세요. 입력을 마치려면 Q를 입력하세요");
//            message = scanner.nextLine();
//            System.out.println("입력한 값은 : " + message + "입니다.");
//        }while(!"q".equalsIgnoreCase(message));

        Scanner scanner2 = new Scanner(System.in);

        String inputtedLine = scanner.nextLine();
        scanner2 = new Scanner(inputtedLine).useDelimiter(",");

        int sum = 0;
        while(scanner2.hasNextInt()){
            sum += scanner2.nextInt();
        }

        System.out.println("SUM : " + sum);
        
        // 1개의 char만 받기
        char input = scanner.next().charAt(0);
        System.out.println(input);

    }
}

 

출처 : http://chokso1.blogspot.com/2013/07/scanner.html