java计算器代码及编程思想new

《java计算器代码及编程思想new》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、䅵ㅫ఼ⱘՓ⫼䇈ᯢঞ㓪⿟ᗱᛇϔˈ㓪䆥⑤ҷⷕˈᠻ㸠ϟ䗄᪡԰˖1ˈᠻ㸠䇁হjavacjisuan.java⫳៤jisuan.class2ˈ⫼AppletViewerᶹⳟ䅵ㅫ఼˄Applet˅ᠻ㸠䇁হappletviewerjisuan.html3ˈᠻ㸠䅵ㅫ఼Ⳍ݇᪡԰݊Ёˈ᭄ᄫ䬂0—9ᦤկ᭄ᄫ䕧ܹˈBackЎ৥ࠡ䗔ϔԡCEЎপ⍜にষݙ᭄ᄫ䕧ܹCЎ⏙䳊+خࡴ⊩䖤ㅫ—خޣ⊩䖤ㅫ*خЬ⊩䖤ㅫ/خ䰸⊩䖤ㅫ%خ∖ⱒߚ↨䖤ㅫMSᄬټⳂࠡሣᐩᰒ⼎᭄ᄫMRপߎᄬټЁ᭄ᄫMC⏙䰸ᄬټM+ᇚᔧࠡ䕧᭄ܹᄫϢᄬټЁ᭄ᄫⳌࡴৢᄬټ

2、DŽབᵰ≵᳝䕧ܹⳈ᥹ᣝϟ䆹䬂ˈ߭ᇚᄬټⱘ᭄ᄫЬ2ৢᄬټ䆒䅵ᗱᛇ˖ܜᅲ⦄䅵ㅫ఼ⱘ⬠䴶ˈ೼⬠䴶⏏ࡴ᳔෎ᴀᰒ⼎ࡳ㛑ˈे೼ᰒ⼎ऎϞᰒ⼎⫼᠋᠔⚍ߏⱘⳌᑨ䬂ؐDŽᅲ⦄џӊ໘⧚ˈᇍ⫼᠋᠔䕧ܹ䬂ؐ䖯㸠߸ᮁˈᠻ㸠Ⳍᑨ᪡԰DŽᅠ୘᪡԰ˈᬍBUGDŽ⑤⿟ᑣ˖//jisuan:Calculatorimportjava.awt.*;importjava.awt.event.*;importjavax.swing.*;importjava.util.*;publicclassjisuanextendsJAppletimplement

3、sActionListener{privateJTextFieldjtf=newJTextField(10);privatebooleannewNumber=true;privateintresult=0;privateStringop="=";Stackcunchu;publicvoidinit(){//Ꮧሔㅵ⧚ˈ䆒ᅮᣝ䪂JButtonbt;JPanelp=newJPanel();p.setLayout(newBorderLayout());cunchu=newStack();JPanelwes

4、tPanel=newJPanel();westPanel.setLayout(newGridLayout(5,0));westPanel.add(newJButton(""));westPanel.add(bt=newJButton("MC"));bt.addActionListener(this);westPanel.add(bt=newJButton("MR"));bt.addActionListener(this);westPanel.add(bt=newJButton("MS"));bt.

5、addActionListener(this);westPanel.add(bt=newJButton("M+"));bt.addActionListener(this);PanelcenterPanel=newPanel();centerPanel.setLayout(newBorderLayout());Panelp1=newPanel();Panelp2=newPanel();//䆒ᅮᣝ䪂ˈ໘⧚џӊp1.setLayout(newFlowLayout(FlowLayout.RIGHT));p

6、1.add(bt=newJButton("Back"));bt.addActionListener(this);p1.add(bt=newJButton("CE"));bt.addActionListener(this);p1.add(bt=newJButton("C"));bt.addActionListener(this);p2.setLayout(newGridLayout(4,5));p2.add(bt=newJButton("7"));bt.addActionListener(this)

7、;p2.add(bt=newJButton("8"));bt.addActionListener(this);p2.add(bt=newJButton("9"));bt.addActionListener(this);p2.add(bt=newJButton("/"));bt.addActionListener(this);p2.add(bt=newJButton("4"));bt.addActionListener(this);p2.add(bt=newJButton("5"));bt.addA

8、ctionListener(this);p2.add(bt=newJButton("6"));bt.addActionListener(this);p2.add(bt=newJButton("*"));bt.addActionListener(this);p2.add(bt=newJButton("1"));bt.addActionListener(this);p2.add(bt=newJButton("2"));bt.addActionListener(this);p2.add(