importjava.util.Scanner;publicclassSimpleCalculator{publicstaticvoidmain(String[]args){// 创建Scanner对象用于获取用户输入Scannerscanner=newScanner(System.in);// 提示用户输入第一个数字System.out.print("请输入第一个数字: ");doublenum1=scanner.nextDouble();// 提示用户输入第二个数字System.out.print("...
package com.yang.learning.GUILearning.AWT; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; /** * 模拟计算器 * @Author yang97 * @Date 2022/9/29 16:36 */ public class Test...
publicclassArrayStack{// 栈的大小privateintmaxSize;// 利用数组模拟栈privateint[]stack;// 栈顶指针privateinttop=-1;// 构造函数publicArrayStack(intmaxSize){this.maxSize=maxSize;stack=newint[this.maxSize];}// 判断栈满publicbooleanisFull(){returntop==this.maxSize-1;}// 判断栈空publicbooleani...
double[] stack1 = new double[100];// 存数的堆栈,用数组模拟堆栈 Stack<Character> stack2 = new Stack<Character>();//存运算符的堆栈 for(int i=0 ; i<expression.length(); i ){char p = expression.charAt(i); flag = sum = 0; if(p >= '0' && p <= '9'){//存入数字 while(tr...
=Double.parseDouble(tempNum.toString()); numStack.push(num); tempNum.delete(0, tempNum.length()); }//用当前取得的运算符与栈顶运算符比较优先级:若高于,则因为会先运算,放入栈顶;若等于,因为出现在后面,//所以会后计算,所以栈顶元素出栈,取出操作数运算;若小于,则同理,取出栈顶元素运算,将结果入...
computer.java: /// // //开发者: // //简介:实现四则运算的简易计算器 // /// /* *用swing图形用户界面实现计算器的设计 *同时练习在线文档注释的使用方法 * * @author linruier * @version 1.0 * @since J2SE1.8 */ import javax.swing....
005importjava.util.Stack; 006/** 007* 008**/ 009publicclassCalculatorImplimplementsCalculator{ 010 011// public static void main(String[] args) { 012// String s ="6X5-5X15/4+3/3+4"; 013// double result = new CalculatorImpl().toReversePolishNotation(s); ...
import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.util.Vector;public class calculator { String str1="0"; //运算数1 初值一定为0 为了程序的安全 String str2="0"; //运算数2 String fh="+"; //运算符 String jg="";//结果 //状态开关 重要 int k1=...
多功能科学计算器(包括进制转换,三角函数,四则运算等) Basic Framework 屏幕快照 2017-12-06 08.45.28.png calculator.java packagemyCalculator;importjava.awt.*;importjava.awt.event.*;importjavax.swing.*;publicclasscalculatorextendsFrameimplementsActionListener,WindowListener{privateContainercontainer;privateGridBag...
import java.util.*;import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.applet.*;public class Demo03 extends JApplet implements ActionListener {boolean i = true;private JButton num0 = new JButton("0");private JButton num1 = new JButton("1");private ...