java编写某计算器控制台程序_用java程序编写一个计算器
點擊查看用java程序編寫一個計算器具體信息
答：給你一個參考，希望不要被百度吞了當晚餐 import java.awt.BorderLayout; import java.awt.GridLayout; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.text.DecimalFormat; import javax.swing.JButton;...
答：這個加我可以做
答：import java.awt.*; import java.awt.event.*; public class CalcAppDemo extends Frame{ private TextField t_result; private Panel p_main; //主面板 private Panel p_num; //數字面板 private Panel p_oper; //操作符面板 private Panel p_s...
答：import java.awt.BorderLayout; import java.awt.Color; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.sw...
答：import java.awt.*; import java.awt.event.*; import javax.swing.*; public class JiSuanQi extends JFrame implements ActionListener { /** * Serial Version UID */ private static final long serialVersionUID = -169068472193786457L; /...
答：import javax.swing.*; import javax.swing.event.*; import java.awt.*; import java.awt.event.*; public class calculator extends JFrame implements ActionListener {//這里我把JFrame寫成Frame，這個錯誤找了好久 JFrame frame; private J...
答：import javax.swing.*;import java.awt.*;import java.awt.event.*;public class Caculator extends JFrame implements KeyListener{ //構造Caculator類private Container content;//構造容器private JButton bCancel; //清除按鈕private JButto...
答：無聊寫了個，修復了下Bug： import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.J...
答： 然后 通過輸入 顯示結果，比如說： 以下是上圖計算器的代碼: package Computer; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Container; import java.awt.Font; import java.awt.GridLayout; import java.awt.event...
答：import java.awt.BorderLayout; import java.awt.Color; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.sw...
答：import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Calculator extends JFrame implements ActionListener { private boolean dotExist, operated, equaled; // 幫助運算的布爾變量 private double storedNumber...
答：import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.Font; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JBut...
答：import javax.swing.*; import java.awt.event.*; import java.awt.*; public class Calculator extends JFrame implements ActionListener { private JFrame jf; private JButton[] allButtons; private JButton clearButton; private JTextFie...
答：有一個現成的參考一下吧 import java.awt.event.ActionEvent; public class Application extends JFrame { protected String str = ""; protected boolean isChar = true; protected boolean isEqual = false; protected JTextField textField; ...
答：public class Number { private Integer n1; private Integer n2; /** 構造方法 */ public Number(Integer n1, Integer n2) { super(); this.n1 = n1; this.n2 = n2; } /** 加 */ public Integer addition() { System.out.println(this.n1 + thi...
答：import java.awt.*; import java.awt.event.*; import java.lang.*; import javax.swing.*; public class Counter extends Frame { //聲明三個面板的布局 GridLayout gl1,gl2,gl3; Panel p0,p1,p2,p3; JTextField tf1; TextField tf2; Button b0...
答：下面文件名要為：JiSuanQi.java import java.awt.*; import java.awt.event.*; public class JiSuanQi { String s="",s1=null,s2=null; Frame f=new Frame("計算器"); TextField tf=new TextField(30); Panel p1=new Panel(); Panel p2=new Pane...
答：public class GUI extends JFrame { private JButton caculate=null; private JLabel no1=null; private JLabel no2=null; private JTextField t1=null; private JTextField t2=null; private JTextField result=null; public GUI(){ this.setLo...
答：有一個現成的.你看看吧 import java.awt.event.ActionEvent; public class Application extends JFrame { protected String str = ""; protected boolean isChar = true; protected boolean isEqual = false; protected JTextField textField; p...
給你一個參考,希望不要被百度吞了當晚餐 import java.awt.BorderLayout; import java.... public static void main(String[] args) { new Calculator();//new計算器實例 } publi...
import javax.swing.*; import java.awt.event.*; import java.awt.*; public class Calculator extends JFrame implements ActionListener { private JFrame jf; private JButton[] allButtons; p...
private double x=0,y=0; //操作數 public Caculator(){ setTitle("袖珍計算器"); ... 15); //實例化一個JTextArea類 tResult.setEditable(false); //將tResult設置為不可編輯 tR...
有一個現成的.你看看吧 import java.awt.event.ActionEvent; public class Application extends JFrame {
import java.awt.*; import java.awt.event.*; import java.lang.*; import javax.swing.*; publ... p0=new Panel(); p1=new Panel(); p2=new Panel(); p3=new Panel(); //創建一個空字符...
import java.awt.*; import java.awt.event.*; public class CalcAppDemo extends Frame{ private TextField t_result; private Panel p_main; //主面板 private Panel p_...
import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Calculator ex... { handleOperator(c); } } private void handleC() // 初始化計算器的各種值 { te...
import?java.awt.BorderLayout;import?java.awt.Color;import?java.awt.GridLayout;import?java.awt.event.ActionEvent;import?java.awt.event.ActionListener;import?javax.swing.ImageI...
; for(int i=0;i
import java.awt.*; import java.awt.event.*; class Calculate extends Frame implements Ac... windowClosing(WindowEvent e) { dispose(); //釋放窗口 System.exit(0); //退出程序 } }...
點進去就能設置你的系統變量了,如圖:變量名:classpath??? 變量值:(.;C:\Program Files\Java\jdk1.6.0_10\lib;)括號里面都是 (主要我們在編譯運行程序的時候通...
你下個Myeclipse 就一切都解決了 簡單方便 直接點運行 直接就幫你編譯好后直接運行的
在這里就填寫“C:\Program Files\Java\jdk1.8”了;在系統變量里點擊新建變量名填寫CLASSPATH,變量值寫“.;%JAVA_HOME%\lib;%JAVA_HOME%...
在繼承JFrame的窗體窗體類,構造函數中加上 setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
choose=(char)System.in.read();這一行 需要你在控制臺輸入點什么才能往下執行
package mycalendar; import java.util.*; class ViewMonth { int month; int year; ViewMonth(final int displayMonth, final int displayYear) { month = displayMonth; year = display...
給沵個思路 把字母 放在一個數組里面 然后隨機Math.random()取出值 系統提示 使用 ASCII 比較大小 然后做出相應的提示 做個循環判斷5次 超過5次 程序結束 5次以內 猜...
public static void main(String[] args) { for (int i = 0; i < 10; i++) { // 一共為10行;遍歷10次 for (int j = 0; j < i + 1; j++) { // 控件每行有幾列 int num = 1; /* * 計算每個值的...
修正代碼:s1.name?=?sc.nextLine(); ??s1.Chinese?=?Float.valueOf(sc.nextLine()); ??s1.Math?=?Float.valueOf(sc.ne...
123456public?class?frm?extends?JFrame{????public?static?void?main(String?[]?args){
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