Need help with Java assignment. Please post program. Thank you

1. Apply one of the following 1D convolution algorithms, (a) "Shift-by-One, Multiply-Add,.." N-1 y(n) x(m)h(n-m) given in the lecture notes, to the following two 1D arrays [r(m)] and [h(m): ArrayID(m) 3 1 2] Filter(ID)=h()= [1-2 1] Implement the ID and 2D convolution algorithms, using JAVA. (Keep it small and simple). Use the given arrays [ID (above) and 2D (below)] as test-data: 12 3 4 7 8 Image[2D]=f(rn, n)-I.. 4 3 2 1 0 1 0 0 Mask[2D-MK()-| 1 1 . Perform 2D Convolution using the "Lenna" image with the (3 x 3) 2D Mask: 0 1 0 Mask[2DJ=| 1-4 | 0 1 0