1 iterating on an object of class [I 2 forEach 0 3 forEach 1 4 forEach 2 5 forEach 3 6 reduce 0 1 7 reduce 1 2 8 reduce 3 3 9 left sum 6 10 reduceRight 3 2 11 reduceRight 5 1 12 reduceRight 6 0 13 right sum 6 14 squared 0,1,4,9 15 iterating on an object of class java.util.ArrayList 16 forEach 1 17 forEach 3 18 forEach 5 19 forEach 7 20 reduce 1 3 21 reduce 4 5 22 reduce 9 7 23 left sum 16 24 reduceRight 7 5 25 reduceRight 12 3 26 reduceRight 15 1 27 right sum 16 28 squared 1,9,25,49 29 iterating on [object Array] 30 forEach 2 31 forEach 4 32 forEach 6 33 forEach 8 34 reduce 2 4 35 reduce 6 6 36 reduce 12 8 37 left sum 20 38 reduceRight 8 6 39 reduceRight 14 4 40 reduceRight 18 2 41 right sum 20 42 squared 4,16,36,64