java将3x3 2D数组插入9x9 2D数组
我需要一个Java函数,它接受一个2D 3x3数组,并将其放入2D 9x9数组的中心。例如,3x3阵列应如下所示:
{{1,2,3},
{4,5,6},
{7,8,9}}
由此产生的9x9阵列应如下所示:
{{0,0,0,0,0,0,0,0,0}, < OLD|NEW > {{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0}, {0,0,0,1,2,3,0,0,0},
{0,0,0,0,0,0,0,0,0}, {0,0,0,4,5,6,0,0,0},
{0,0,0,0,0,0,0,0,0}, {0,0,0,7,8,9,0,0,0},
{0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0}} {0,0,0,0,0,0,0,0,0}}
我该怎么做
# 1 楼答案
可以使用偏移量3来复制图元:
# 2 楼答案
# 3 楼答案
两个坐标的两个嵌套循环,将
(x, y)
复制到(x+3, y+3)