数组说明与创建关系 Point类 class point i nt x, y; Point( int xl, int y1) y=y1; Point i this(0,0);数组说明与创建关系 ▪ Point类 class Point { int x, y; Point ( int x1, int y1) { x = x1; y = y1; } Point() { this(0, 0); } }