Java期末题解析：实现条形图绘制技巧与代码分享

小弟是学JAVA程序设计的。快考试了，这个是期末考试题。谁能帮帮我。200行左右，100分啊。大家都帮帮我。

一个简单的条形图实现，适合您importjava.awt.color、importjava.awt.graphics、importjava.awt.event.windowevent、importjava.awt.event。
窗口焦点监听器，导入swing。
JOptionPane;publicclassColumnChartextendsJFrameimplementsWindowFocusListener{privatestaticfinallongserialVersionUID=-5941316873191819372L;private[]data;publicColumnChart(int[]da)tas){super("Column");图表");this.datas=datas;setSize(480,320);setResizable(false);setDefaultCloseOperation(EXIT_ON_CLOSE);setVisible(true);addWindowFocusListener(this);}@Overridepublicvoidpainpaint(graphicsg){super.Color(g);g.setColor(color.GRAY);g.drawLine(60,50,60,270);g.drawLine(60,2)70,400,270);inti;g.drawString("100",38,70);for(i=1;i<10 for(i=0;i xss=clean publicvoidwindowGainedFocus(WindowEvent){重复();}@OverridepublicvoidwindowLostFocus(WindowEvent){}publicstaticvoidmain(String[]args){Stringinput;String[]inputSplit;int[]nums=newintnum[10];nti while(true){input=JOptionPane.showInputDialog( null）继续；输入分割=输入。>分裂（””）;if(inputSplit.l)ength>=10){try{for(i=0;i<10 i++){num=Integer.parseInt(inputSplit[i]));if(num>100)break;numbers[i]=num;}}catch(NumberFormatExceptionex){}if(i==10){newColumnChart(numbers);break;}}}}}

速求宁波工程学院JAVA往年期末试卷。追加30分悬赏

packageexample;importjava.awt.BorderLayout;publicclassSwitchextendsJFrame{privateJPanelcontentPane;/***启动应用程序。
*/publicstaticvoidmain(String[]args){EventQueue.invokeLater(newRunnable(){publicvoidrun(){try{Switchframe=newSwitch();"你好";FinalStringstring2="再见";setTitle("\u5207\u6362\u6807\u5185\u5BB9");setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);contentPane.setBorder(5,5,5));FinalJLablabel=newJLabel(string);label.setFont(newFont("宋体",Font.BOLD,25));JButtonbutton=newJButton("\u786E\u5B9A");nPerformed(ActionEvent){//TODO自动生成的方法stubif(label.getText().equals(string)){label.setText(string2);}elseif(label.getText().equals(string2)){label.setText(string));}}});e=newGroupLayout(contentPane);groupLayout.setHorizo​​ntalGroup(groupLayout.createParallelGroup(Alignment.LEADING).addGroup(groupLayout.createSequentialGroup().addGap(153,153,153).addGroup(groupLayout.c.reateParallelGroup(Alignment.LEADING).addComponent(按钮).addComponent(label)).addContainerGap(222,Short.MAX_VALUE)));dGroup(groupLayout.createSequentialGroup().addGap(80,80,80).addComponent(label).addGap(38,38,38).addComponent(button).addContainerGap(100,Short.喜欢2|评论

求大神帮做简单java题目。。作业没时间做了。。发到lixi199286@gmail.com吧跪谢

importjava.util.*;publicclassU{publicstaticvoidmain(String[]args){longs;System.out.println("inputaninteger:");Scannerin=newScanner(System.in);s=in.nextLong();inta=(int)(s);if(a<10>70)System.out.println("输入的数据值太大");elseSystem.out.println("num="+a);}}