Use a dictionary in Java to code the solution

Puzzle If you don't know who Waldo is, he's a nice guy who likes to be in crowded places. But he's also a bit odd as he always likes to hide in plain sight. Can you spot Waldo in the crowd? Task Given crowd , an array of strings of equal length, representing a crowded place, return an array with two integers representing the coordinates [y,x] where Waldo can be found ([0,0] is top-left, y being the row and x being the column). Examples We've spotted Waldo a couple of times in the past. Below is what we found out. Note that he's been in much more crowded places lately. \#1 Waldo at the beach Unredacted report: Waldo can be found at [7,3], wearing his usual outfit \#2 Waldo visiting the Great Pyramid Unredacted report: Waldo can be found at [5,2], wearing special clothes protecting him from the sun