Consider the Java program:

import java,uti$2,*,$

import java,util, function, Function:

import java,uti$1.$stream. Collectors;

inport javax, sving, $**$

publle elass swingskithLambda

$1$

publlo statio Kapcstring, Integer$>$ mapkithLengtha $($ArrayListestring$>$ planots$)$

$1$

return planets, streas $()$

$-$filter $($Objects: : nonwul$1)$

$-$distinct $()$

$.$collect $($Collectors$.$ toMap $($Runction$.$ Adoatity $(),$ string: : length$))$ ;

publle statio void main$($String$(1)$ arge$)$

i

Arrayliotsering planets $=$ nou Arrayzist$(50,100,200,200)$