비정방향 배열을 만들어보기

public class study5 {

public static void main(String args[]) {

int[][] number = new int[4][];

number[0] = new int[3];

number[1] = new int[2];

number[2] = new int[3];

number[3] = new int[2];

number[0][0] = 10;

number[0][1] = 11;

number[0][2] = 12;

number[1][0] = 20;

number[1][1] = 21;

number[2][0] = 30;

number[2][1] = 31;

number[2][2] = 32;

number[3][0] = 40;

number[3][1] = 41;

for(int i = 0; i<number.length; i++){

for(int b=0; b<number[i].length; b++){

System.out.print(number[i][b]+"  ");

}

System.out.println("");

}

}

}

출력결과:

10  11  12  

20  21  

30  31  32  

40  41