public class array_basics {
    public static void main(String[] args) {
	
	int[] x = new int[3];
	x[0] = 2;
	x[1] = 4;
	x[2] = 6;
	print1D(x);
    }

    public static void print1D(int[] v) {
	for(int i=0 ; i<v.length ; i++ ) // or say i<=v.length-1
	    System.out.print(v[i] + " ");
	System.out.println(); // why need this?
    }
}

/* output:
   2 4 6
*/