Entries from 2017-03-11 to 1 day
採用Components而不用JPanel或Canvas 是因為內建有雙緩衝,更新畫面不會閃 import java.awt.BorderLayout; import java.awt.Color; import java.awt.Graphics; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.event.M…