... lớp©2007 AC - HUTBiểu ₫ồ lớp (Unified Modeling Language) Quan hệ dẫnxuất Quan hệ chứa© 2004, HOÀNG MINH SƠN Chương 1 Kỹ thuật lập trình 010101010101010110000101010101010101011000010101010101010101100001010101010010101010010101010101001010101001010101010100101010100101101001100011001001001010100110001100100100101010011000110010010010110010110010001000001011001011001000100000101100101100100010000010010101010101010110000101010101010101011000010101010101010101100001010101010010101010010101010101001010101001010101010100101010100101101001100011001001001010100110001100100100101010011000110010010010110010110010001000001011001011001000100000101100101100100010000010010101010101010110000101010101010101011000010101010101010101100001010101010010101010010101010101001010101001010101010100101010100101101001100011001001001010100110001100100100101010011000110010010010110010110010001000001011001011001000100000101100101100100010000010y ... [(20,40)(40,60) Hello] Chương trình 1Rectangle: [(0,0)(50,100)]Square: [(0,0)(50,50)]Textbox: [(0,0)(10,10) Hello] Chương trình 24© 2004, HOÀNG MINH SƠN Chương 7: Quan hệ lớp©2007 AC - HUTBiểu ... d*u;StateControllerstart()stop()LQGControllerstart()stop() Chương 7: Quan hệ lớp12/3/200711© 2004, HOÀNG MINH SƠN Chương 7: Quan hệ lớp©2007 AC - HUTThựchiện trong C++: LớpTextbox#include...