本帖最后由 labixiaoqiang 于 2013-8-31 21:42 编辑
class MyWindow extends Frame implements ActionListener { StringBUFFer m=new StringBuffer(); int p; TextField tex; Button b0,b1,b2,b3,b4,b5,b6,b7,b8,b9,jia,jian,cheng,chu,deng,dian,qingling,kaifang;
MyWindow(String s) { super(s); //StringBuffer s2=new StringBuffer(); //String s;
tex=new TextField(18); b0=new Button(" 0 "); b1=new Button(" 1 "); b2=new Button(" 2 "); b3=new Button(" 3 "); b4=new Button(" 4 "); b5=new Button(" 5 "); b6=new Button(" 6 "); b7=new Button(" 7 "); b8=new Button(" 8 "); b9=new Button(" 9 "); dian=new Button(" . "); jia=new Button(" + "); jian=new Button(" - "); cheng=new Button(" × "); chu=new Button(" / "); deng=new Button(" = "); qingling=new Button(" 清零 "); kaifang=new Button(" √ "); setLayout(new FlowLayout()); add(tex); add(b0); add(b1); add(b2); |