急急急..求java程序周一考试哥哥姐姐帮帮忙

做了第二题，第一题懒得弄
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*//*
* DrawJFrame.java
*
* Created on 2009-12-3, 9:44:03
*/package javaapplication1;import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import javax.swing.JPanel;/**
*
* @author cangyingzhijia
*/
public class DrawFrame extends javax.swing.JFrame {
    private final static double X1 = 50,Y1 = 20;
    private final static double X2 = 400,Y2 = 400;
    private final static double Radius = 200;
    /** Creates new form NewJFrame */
    public DrawFrame() {
        initComponents();
    }    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {        jPanelDraw = new JPanel(){
            public void paint(Graphics g){
                if("圆".equals(jComboBoxTuxing.getSelectedItem())){
                    jTextFieldMianJi.setText("" + (Math.PI * Math.pow(Radius ,2)));
                    paintCircle((Graphics2D)g);
                }else{
                    jTextFieldMianJi.setText("" + ((X2 - X1) * (Y2 - Y1)));
                    paintRectangle((Graphics2D)g);
                }
            }            public void paintRectangle(Graphics2D g){
                g.draw(new Rectangle2D.Double(X1,Y1,X2,Y2) );
            }            public void paintCircle(Graphics2D g){
                g.draw(new Ellipse2D.Double(X1,Y1,X1 +2 * Radius,Y1+2 * Radius) );
            }        };
        jPanel2 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jTextFieldMianJi = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jComboBoxTuxing = new javax.swing.JComboBox();        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("圆/矩形");        javax.swing.GroupLayout jPanelDrawLayout = new javax.swing.GroupLayout(jPanelDraw);
        jPanelDraw.setLayout(jPanelDrawLayout);
        jPanelDrawLayout.setHorizontalGroup(
            jPanelDrawLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 638, Short.MAX_VALUE)
        );
        jPanelDrawLayout.setVerticalGroup(
            jPanelDrawLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 452, Short.MAX_VALUE)
        );        getContentPane().add(jPanelDraw, java.awt.BorderLayout.CENTER);        jPanel2.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));        jLabel1.setText("面积");
        jPanel2.add(jLabel1);        jTextFieldMianJi.setText("0");
        jTextFieldMianJi.setFocusCycleRoot(true);
        jTextFieldMianJi.setMinimumSize(new java.awt.Dimension(30, 21));
        jTextFieldMianJi.setName("mianji"); // NOI18N
        jTextFieldMianJi.setPreferredSize(new java.awt.Dimension(250, 21));
        jPanel2.add(jTextFieldMianJi);        jLabel2.setText("图形");
        jPanel2.add(jLabel2);        jComboBoxTuxing.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "圆", "矩形" }));
        jComboBoxTuxing.addItemListener(new java.awt.event.ItemListener() {
            public void itemStateChanged(java.awt.event.ItemEvent evt) {
                jComboBoxTuxingItemStateChanged(evt);
            }
        });
        jPanel2.add(jComboBoxTuxing);        getContentPane().add(jPanel2, java.awt.BorderLayout.PAGE_START);        pack();
    }// </editor-fold>    private void jComboBoxTuxingItemStateChanged(java.awt.event.ItemEvent evt) {
       jPanelDraw.repaint();
    }    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new DrawFrame().setVisible(true);
            }
        });
    }    // Variables declaration - do not modify
    private javax.swing.JComboBox jComboBoxTuxing;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JPanel jPanelDraw;
    private javax.swing.JTextField jTextFieldMianJi;
    // End of variables declaration}
写了个日历程序，祝楼主好运.
package util;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Calendar;
import java.util.GregorianCalendar;import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
//闰年共有366天(31，29，31，30，31，30，31，31，30，31，30，31)。其中二月天数比非闰年的二月天数大1
public class MyRiLi extends JPanel {    protected int yy;    protected int mm, dd;    /** 存放按钮 */
    protected JButton labs[][];    /** 每个月份开头的几个空白日期 */
    protected int leadGap = 0;    /** 日期对象 */
    Calendar calendar = new GregorianCalendar();    /** 年份 */
    protected final int thisYear = calendar.get(Calendar.YEAR);    /** 月份 */
    protected final int thisMonth = calendar.get(Calendar.MONTH);    /** 取消按钮高亮时以这个按钮为基准 */
    private JButton b0;    /** 存放月份 */
    private JComboBox monthChoice;    /** 存放年份 */
    private JComboBox yearChoice;    /**
     * 构造方法，获取今天的日期
     */
    MyRiLi() {
        super();
        setYYMMDD(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH),
                calendar.get(Calendar.DAY_OF_MONTH));
        buildGUI();
        recompute();
    }    MyRiLi(int year, int month, int today) {
        super();
        setYYMMDD(year, month, today);
        buildGUI();
        recompute();
    }    private void setYYMMDD(int year, int month, int today) {
        yy = year;
        mm = month;
        dd = today;
    }    String[] months = { "一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月",
            "十月", "十一月", "十二月" };    private void buildGUI() {
        getAccessibleContext().setAccessibleDescription("日历未上载");
        setBorder(BorderFactory.createEtchedBorder());        setLayout(new BorderLayout());        JPanel tp = new JPanel();
        tp.add(monthChoice = new JComboBox());
        for (int i = 0; i < months.length; i++)
            monthChoice.addItem(months[i]);
        monthChoice.setSelectedItem(months[mm]);
        monthChoice.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                int i = monthChoice.getSelectedIndex();
                if (i >= 0) {
                    mm = i;
                    recompute();
                }
            }
        });
        monthChoice.getAccessibleContext().setAccessibleName("Months");
        monthChoice.getAccessibleContext().setAccessibleDescription("选择一个月份");        tp.add(yearChoice = new JComboBox());
        yearChoice.setEditable(true);
        for (int i = yy - 5; i < yy + 5; i++)
            yearChoice.addItem(Integer.toString(i));
        yearChoice.setSelectedItem(Integer.toString(yy));
        yearChoice.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                int i = yearChoice.getSelectedIndex();
                if (i >= 0) {
                    yy = Integer.parseInt(yearChoice.getSelectedItem()
                            .toString());
                    recompute();
                }
            }
        });
        add(BorderLayout.CENTER, tp);        JPanel bp = new JPanel();
        bp.setLayout(new GridLayout(7, 7));
        labs = new JButton[6][7];        // 星期
        bp.add(b0 = new JButton("日"));
        bp.add(new JButton("一"));
        bp.add(new JButton("二"));
        bp.add(new JButton("三"));
        bp.add(new JButton("四"));
        bp.add(new JButton("五"));
        bp.add(new JButton("六"));        ActionListener dateSetter = new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                String num = e.getActionCommand();
                if (!num.equals("")) {
                    // 将当前日期高亮
                    setDayActive(Integer.parseInt(num));
                    System.out.println(num);
                }
            }
        };        // 创建所有的按钮
        for (int i = 0; i < 6; i++)
            for (int j = 0; j < 7; j++) {
                bp.add(labs[i][j] = new JButton(""));
                labs[i][j].addActionListener(dateSetter);
            }        add(BorderLayout.SOUTH, bp);
    }    // 列出每个月的天数
    public final static int dom[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31,
            30, 31 };    /** 计算每个月份的日期，显示在面板上 */
    protected void recompute() {
        if (mm < 0 || mm > 11)
            throw new IllegalArgumentException("月份 " + mm + " 必须在0-11之间");
        clearDayActive();
        calendar = new GregorianCalendar(yy, mm, dd);        // 计算每个月份开头的几个空白日期
        leadGap = new GregorianCalendar(yy, mm, 1).get(Calendar.DAY_OF_WEEK) - 1;        int daysInMonth = dom[mm];
        if (isLeap(calendar.get(Calendar.YEAR)) && mm == 1)
            ++daysInMonth;        for (int i = 0; i < leadGap; i++) {
            labs[0][i].setText("");
        }        // 填入日期数字
        for (int i = 1; i <= daysInMonth; i++) {
            JButton b = labs[(leadGap + i - 1) / 7][(leadGap + i - 1) % 7];
            b.setText(Integer.toString(i));
        }        for (int i = leadGap+daysInMonth; i < 6 * 7; i++) {
            labs[(i) / 7][(i) % 7].setText("");
        }        if (thisYear == yy && mm == thisMonth)
            setDayActive(dd);        repaint();
    }    /**
     * 判断是否闰年
     */
    public boolean isLeap(int year) {
        if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
            return true;
        return false;
    }    /** 设置年月日 */
    public void setDate(int yy, int mm, int dd) {
        this.yy = yy;
        this.mm = mm;
        this.dd = dd;
        recompute();
    }    /** 取消按钮高亮 */
    private void clearDayActive() {
        JButton b;        if (activeDay > 0) {
            b = labs[(leadGap + activeDay - 1) / 7][(leadGap + activeDay - 1) % 7];
            b.setBackground(b0.getBackground());
            b.repaint();
            activeDay = -1;
        }
    }    private int activeDay = -1;    /** 设置按钮高亮 */
    public void setDayActive(int newDay) {        clearDayActive();        if (newDay <= 0)
            dd = new GregorianCalendar().get(Calendar.DAY_OF_MONTH);
        else
            dd = newDay;
        Component square = labs[(leadGap + newDay - 1) / 7][(leadGap + newDay - 1) % 7];
        square.setBackground(Color.red);
        square.repaint();
        activeDay = newDay;
    }    public static void main(String[] args) {
        JFrame f = new JFrame("MyRiLi");
        Container c = f.getContentPane();
        c.setLayout(new FlowLayout());        c.add(new MyRiLi());        f.pack();
        f.setVisible(true);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }}
写了个日历程序，祝楼主好运
package util;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Calendar;
import java.util.GregorianCalendar;import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
//闰年共有366天(31，29，31，30，31，30，31，31，30，31，30，31)。其中二月天数比非闰年的二月天数大1
public class MyRiLi extends JPanel {    protected int yy;    protected int mm, dd;    /** 存放按钮 */
    protected JButton labs[][];    /** 每个月份开头的几个空白日期 */
    protected int leadGap = 0;    /** 日期对象 */
    Calendar calendar = new GregorianCalendar();    /** 年份 */
    protected final int thisYear = calendar.get(Calendar.YEAR);    /** 月份 */
    protected final int thisMonth = calendar.get(Calendar.MONTH);    /** 取消按钮高亮时以这个按钮为基准 */
    private JButton b0;    /** 存放月份 */
    private JComboBox monthChoice;    /** 存放年份 */
    private JComboBox yearChoice;    /**
     * 构造方法，获取今天的日期
     */
    MyRiLi() {
        super();
        setYYMMDD(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH),
                calendar.get(Calendar.DAY_OF_MONTH));
        buildGUI();
        recompute();
    }    MyRiLi(int year, int month, int today) {
        super();
        setYYMMDD(year, month, today);
        buildGUI();
        recompute();
    }    private void setYYMMDD(int year, int month, int today) {
        yy = year;
        mm = month;
        dd = today;
    }    String[] months = { "一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月",
            "十月", "十一月", "十二月" };    private void buildGUI() {
        getAccessibleContext().setAccessibleDescription("日历未上载");
        setBorder(BorderFactory.createEtchedBorder());        setLayout(new BorderLayout());        JPanel tp = new JPanel();
        tp.add(monthChoice = new JComboBox());
        for (int i = 0; i < months.length; i++)
            monthChoice.addItem(months[i]);
        monthChoice.setSelectedItem(months[mm]);
        monthChoice.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                int i = monthChoice.getSelectedIndex();
                if (i >= 0) {
                    mm = i;
                    recompute();
                }
            }
        });
        monthChoice.getAccessibleContext().setAccessibleName("Months");
        monthChoice.getAccessibleContext().setAccessibleDescription("选择一个月份");        tp.add(yearChoice = new JComboBox());
        yearChoice.setEditable(true);
        for (int i = yy - 5; i < yy + 5; i++)
            yearChoice.addItem(Integer.toString(i));
        yearChoice.setSelectedItem(Integer.toString(yy));
        yearChoice.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                int i = yearChoice.getSelectedIndex();
                if (i >= 0) {
                    yy = Integer.parseInt(yearChoice.getSelectedItem()
                            .toString());
                    recompute();
                }
            }
        });
        add(BorderLayout.CENTER, tp);        JPanel bp = new JPanel();
        bp.setLayout(new GridLayout(7, 7));
        labs = new JButton[6][7];        // 星期
        bp.add(b0 = new JButton("日"));
        bp.add(new JButton("一"));
        bp.add(new JButton("二"));
        bp.add(new JButton("三"));
        bp.add(new JButton("四"));
        bp.add(new JButton("五"));
        bp.add(new JButton("六"));        ActionListener dateSetter = new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                String num = e.getActionCommand();
                if (!num.equals("")) {
                    // 将当前日期高亮
                    setDayActive(Integer.parseInt(num));
                    System.out.println(num);
                }
            }
        };        // 创建所有的按钮
        for (int i = 0; i < 6; i++)
            for (int j = 0; j < 7; j++) {
                bp.add(labs[i][j] = new JButton(""));
                labs[i][j].addActionListener(dateSetter);
            }        add(BorderLayout.SOUTH, bp);
    }    // 列出每个月的天数
    public final static int dom[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31,
            30, 31 };    /** 计算每个月份的日期，显示在面板上 */
    protected void recompute() {
        if (mm < 0 || mm > 11)
            throw new IllegalArgumentException("月份 " + mm + " 必须在0-11之间");
        clearDayActive();
        calendar = new GregorianCalendar(yy, mm, dd);        // 计算每个月份开头的几个空白日期
        leadGap = new GregorianCalendar(yy, mm, 1).get(Calendar.DAY_OF_WEEK) - 1;        int daysInMonth = dom[mm];
        if (isLeap(calendar.get(Calendar.YEAR)) && mm == 1)
            ++daysInMonth;        for (int i = 0; i < leadGap; i++) {
            labs[0][i].setText("");
        }        // 填入日期数字
        for (int i = 1; i <= daysInMonth; i++) {
            JButton b = labs[(leadGap + i - 1) / 7][(leadGap + i - 1) % 7];
            b.setText(Integer.toString(i));
        }        for (int i = leadGap+daysInMonth; i < 6 * 7; i++) {
            labs[(i) / 7][(i) % 7].setText("");
        }        if (thisYear == yy && mm == thisMonth)
            setDayActive(dd);        repaint();
    }    /**
     * 判断是否闰年
     */
    public boolean isLeap(int year) {
        if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
            return true;
        return false;
    }    /** 设置年月日 */
    public void setDate(int yy, int mm, int dd) {
        this.yy = yy;
        this.mm = mm;
        this.dd = dd;
        recompute();
    }    /** 取消按钮高亮 */
    private void clearDayActive() {
        JButton b;        if (activeDay > 0) {
            b = labs[(leadGap + activeDay - 1) / 7][(leadGap + activeDay - 1) % 7];
            b.setBackground(b0.getBackground());
            b.repaint();
            activeDay = -1;
        }
    }    private int activeDay = -1;    /** 设置按钮高亮 */
    public void setDayActive(int newDay) {        clearDayActive();        if (newDay <= 0)
            dd = new GregorianCalendar().get(Calendar.DAY_OF_MONTH);
        else
            dd = newDay;
        Component square = labs[(leadGap + newDay - 1) / 7][(leadGap + newDay - 1) % 7];
        square.setBackground(Color.red);
        square.repaint();
        activeDay = newDay;
    }    public static void main(String[] args) {
        JFrame f = new JFrame("MyRiLi");
        Container c = f.getContentPane();
        c.setLayout(new FlowLayout());        c.add(new MyRiLi());        f.pack();
        f.setVisible(true);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }}

调试易

急急急..求java程序周一考试哥哥姐姐帮帮忙

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急急急..求java程序 周一考试 哥哥姐姐帮帮忙

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急急急..求java程序周一考试哥哥姐姐帮帮忙