[Java] Java 2차원 배열

public class JavaTest {
    public static void main(String[] args) {

        String[][] strArr2D = new String[2][2];
        strArr2D[0][0] = "00";
        strArr2D[0][1] = "01";
        strArr2D[1][0] = "10";
        strArr2D[1][1] = "11";
        for (int i=0; i<strArr2D.length; i++) {
            for (int j=0; j<strArr2D[i].length; j++) {
                System.out.println(strArr2D[i][j]);
            }
        }

        System.out.println();
        String[][] strArr2D_2 = strArr2D;
        for (int i=0; i<strArr2D_2.length; i++) {
            for (int j=0; j<strArr2D_2[i].length; j++) {
                System.out.println(strArr2D_2[i][j]);
            }
        }

        System.out.println();
        String[][] strArr2D_3 = { {"00", "01"}, {"10", "11"} };
        for (int i=0; i<strArr2D_3.length; i++) {
            for (int j=0; j<strArr2D_3[i].length; j++) {
                System.out.println(strArr2D_3[i][j]);
            }
        }

    }
}

실행 결과