Java 8 Lambda表達式及Stream API實現的九九乘法表

寫法一：java import java.util.Arrays; import java.util.List; public class NineNine { public static void main(String[] args) { List<Integer> list = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9); list.for

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