各位大虾,谁能帮忙设计一个JAVA的计算器?只要有加减乘除就行!答:import java.lang.*;import javax.swing.*;public class Counter extends Frame { // 声明三个面板的布局 GridLayout gl1, gl2, gl3;Panel p0, p1, p2, p3;JTextField tf1;TextField tf2;Button b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14,b15, b16, ...
Java程序编写一个计算器类,要求实现加、减、乘、除运算,注意在进行除 ...答:JButton bCancel; //清除按钮private JButton[] b=new JButton[16]; //构造按钮数组private char LastOp; //操作符号private boolean Countable; //用于判断是否可计算private String KeyLabel[]={"7","8","9","/","4","5","6","*","1","2","3","-","0","."...