中图版七年级上册信息技术 5.1选择编程语言 课件

什么是程序？ 一、程序设计语言的初步认识 日常所说的“程序”是指事情的先后顺序。 什么是计算机程序？ public void mousePressed(MouseEvent e) {         // TODO Auto-generated method stub         if(background.laying.laying_end){             if(e.getModifiers()==InputEvent.BUTTON1_MASK){                                    cardlistener.judgeShouldDraw(e.getX(), e.getY());                 sunmanager.setclick(e.getX(), e.getY());                 buildingManager.setBuiding(e.getX(), e.getY());             }                            if(e.getModifiers()==InputEvent.BUTTON3_MASK){                 cardlistener.judgeShouldDraw(75, 0);                 buildingManager.setBuiding(0, 0);             }         }     }     @Override     public void mouseReleased(MouseEvent arg0) {                    // TODO Auto-generated method stub                }     @Override     public void keyPressed(KeyEvent arg0) {         // TODO Auto-generated method stub         if(arg0.getKeyCode()==KeyEvent.VK_ALT){