[Java] array, for-each

// Java
// Array

class array
{
    public static void main(String[] args)
    {
        int[][] arr = new int[3][4];   // 2nd-order array
        for(int i=0; i<arr.length; i++)
            for(int j=0; j<arr[i].length; j++)
                arr[i][j] = i + j;
                
        for(int i=0; i<arr.length; i++)
        {
            for(int j=0; j<arr[i].length; j++)
                System.out.print(arr[i][j] + " ");
            System.out.println();
        }
        
        int [] ar = {1, 3, 5};  // 1st-order array => int[] ar = new int[] {1,3,5};
        for (int e : ar)    // for, each
            System.out.print(e + " ");
            
    }
}