Java電腦源代碼:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**********************Java電腦主類*********************/
public class SunnyCalculator implements ActionListener {
JFrame f;
JMenu mEdit;
JMenu mView;
JMenu mHelp;
JMenuItem mCopy;
JMenuItem mPaste;
JTextField tResult;
JButton bNumber;
JButton bOperator;
JButton bOther;
JButton bM;
boolean isDouble=false;//是否為實數
int opFlag=-1;
static double t1=0,t2=0,t3=0,result=0;
static int opflag1=-1,opflag2=-1,flag=0,resflag=1;
int preOp,currentOp=0;//标準位
double op1=0,op2=0;//操作數
double n3;
StringBuffer buf=new StringBuffer(20);
StringBuffer copyBoard=new StringBuffer(20);//剪貼闆
StringBuffer memory=new StringBuffer(20);//M系列
StringBuffer str=new StringBuffer();
//Java電腦構造器
public SunnyCalculator()
{
f = new JFrame("Sunny電腦_楊梅樹的盔甲");
Container contentPane =f.getContentPane();
/**************************Java電腦菜單的建立*****************************/
JMenuBar mBar = new JMenuBar();
mBar.setOpaque(true);
mEdit = new JMenu("編輯(E)");
mEdit.setMnemonic(KeyEvent.VK_E);
mCopy = new JMenuItem("複制(C)");
mEdit.add(mCopy);
mPaste = new JMenuItem("粘貼(P)");
mEdit.add(mPaste);
mView = new JMenu("檢視(V)");
mView.setMnemonic(KeyEvent.VK_V);
mView.add(new JMenuItem("标準型"));
mView.add(new JMenuItem("科學型"));
mView.addSeparator();
mView.add(new JMenuItem("檢視分組"));
mHelp = new JMenu("幫助(H)");
mHelp.setMnemonic(KeyEvent.VK_H);
mHelp.add(new JMenuItem("幫助主題"));
mHelp.addSeparator();
mHelp.add(new JMenuItem("關于電腦"));
mBar.add(mEdit);
mBar.add(mView);
mBar.add(mHelp);
f.setJMenuBar(mBar);
contentPane.setLayout(newBorderLayout());
JPanel pTop = new JPanel();
tResult = newJTextField("0.",26);
tResult.setHorizontalAlignment(JTextField.RIGHT);
tResult.setEditable(false);
pTop.add(tResult);
contentPane.add(pTop,BorderLayout.NORTH);
JPanel pBottom = new JPanel();
pBottom.setLayout(newBorderLayout());
JPanel pLeft = new JPanel();
pLeft.setLayout(newGridLayout(5,1,3,3));
bM = new JButton(" ");
bM.setEnabled(false);
pLeft.add(bM);
/*************************Java電腦功能鍵定義***************************/
bOther = new JButton("MC");
bOther.addActionListener(this);
bOther.setForeground(Color.red);
bOther.setMargin(newInsets(3,2,3,2));
pLeft.add(bOther);
bOther = new JButton("MR");
bOther = new JButton("MS");
bOther = new JButton("M+");
pBottom.add(pLeft,BorderLayout.WEST);
JPanel pRight = new JPanel();
pRight.setLayout(newBorderLayout());
JPanel pUp = new JPanel();
pUp.setLayout(newGridLayout(1,3,3,0));
bOther = new JButton("BackSpace");
bOther.setMargin(newInsets(3,0,3,5));
pUp.add(bOther);
bOther = new JButton("CE");
bOther = new JButton("C");