import java.util.Arrays;

public class VectorAdd
{
    public static void main(String[] args)
    {
        double[] v1 = {1,2,3};
        double[] v2 = {1,1,1};
        double[] v3;
       
        v3 = vectorAdd(v1,v2);

        System.out.println( Arrays.toString(v1) + " + " +
                            Arrays.toString(v2) + " = " +
                            Arrays.toString(v3) );
    }

    public static double[] vectorAdd( double[] vector1, double[] vector2)
    {
        double[] vector3 = new double[vector1.length];

    for ( int i = 0; i < vector1.length; i++ )
        vector3[i] = vector1[i] + vector2[i];

    return vector3;
    }
}