Please solve this and explain every single step and how the 'transform' works and how you should solve these types of question. Explain each step carefully

public static void main (Stringl] aras) { int] u - new int b length] intL][] b= {1}, {2, 3}, {4, 5, 6} }; int ] V -transform (b); public static intI] [ transform (int[] [] a) intl] new intla.lengthl []; wi ala.length-1 - i]; return w; Question: Draw the array referred to by the reference v