2차원 배열을 1차원 배열로 flatten - java

int a [] = {1,2,6,7,2}; int b [] = {2,44,55,2}; int c [] = {2,44,511,33}; int originalArray [][] = new int[][]{a,b,c}; import java.util.*; int[] flatArray = Arrays.stream(originalArray) .flatMapToInt(Arrays::stream) .toArray(); int[] flatArray = Stream.of(a, b, c) .flatMapToInt(Arrays::stream) .toArray();...