Array Concatenation

public class ArrayConcatenation{
    public static void main(String[] args){
        int [] a = {1,4,5};
        int [] b = {4,2,3};

        int [] c = new int [a.length + b.length];

        for (int x = 0; x < a.length; x++){
            c[x] = a[x];
        }
        for (int y = 0; y < b.length; y++){
            c[a.length + y] = b[y];
        }
        for (int z = 0; z < c.length; z++){
            System.out.println(c[z]);
        }
    }
}