课件课后练习代码经典案例

JavaSE01万年历工扫雷游戏——完成Field类及Minesfield类的设计及除getAround方法外的编图-图-privateCalendarcalendar=publicvoidincMonth()calendar.add(Calendar.MONTH1);}在PerpetualCalendar类中添加decMonthpublicvoiddecMonth()calendar.add(Calendar.MONTH1);}publicclassPerpetualCalendarprivateCalendarFrameprivateCalendarcalendar=}publicPerpetualCalendar()view=new}publicvoidincMonth()calendar.add(Calendar.MONTH,}publicvoiddecMonth()calendar.add(Calendar.MONTH,-}publicvoidshow()}publicstaticvoidmain(String[]args)throwsExceptionfor(LookAndFeelInfoinfo:UIManager.getInstalledLookAndFeels()){if}}PerpetualCalendarcalendar=newPerpetualCalendar();}publicclassCalendarFrameextendsJFrameprivatePerpetualCalendarcalendarprivateJLabelyearAndMonth;//显示年月的privateJLabelmonthInc;//显示上一月（<<）的privateJLabelmonthDec;//显示下一月（>>）的publicvoidsetYearAndMonth(StringyearAndMonth)}publicvoidsetCalendar(intbegin,intmaxDay,int{for(inti=0;i<days.length;i++)}for(inti=1;i<=maxDay;i++)StringdateStr=i<=9?""+i:""+i;days[begin+i-2].setText(dateStr);if(currentDay==i)days[begin+i-} }publicCalendarFrame(PerpetualCalendarcalendar)this.calendar=calendar;setSize(400,350);DimensiondsetLocation((d.width-getWidth())/2,(d.height-getHeight())/2);}privatevoidinit()ContainercontentPane=getContentPane();for(inti=0;i<weeks.length;{weeks[i].setBounds(40+i*50,50,50,30);} for(inti=0;i<days.length;i++)days[i]=newdays[i].setBounds(40+(i7)*+/7)*50,30); monthInc=newmonthInc.setBounds(250,20,monthDec=newmonthDec.setBounds(130,20,yearAndMonth=newyearAndMonth.setBounds(165,80,}在CalendarFrame类的init方法添加为上一月(<<)Label设置的代码monthDec.addMouseListener(newMouseAdapter()publicvoidmouseEntered(MouseEvent{}publicvoidmouseExited(MouseEvent{}publicvoidmouseClicked(MouseEvent{}在CalendarFrame类的init方法添加为下一月(>>)Label设置的代码monthInc.addMouseListener(newMouseAdapter()publicvoidmouseEntered(MouseEvent{}publicvoidmouseExited(MouseEvent{}publicvoidmouseClicked(MouseEvent{}importimportimportimportpublicclass{privateCalendarFrameprivateCalendarcalendar=Calendar.getInstance();privateSimpleDateFormatsdf=newSimpleDateFormat("yyyy年MMpublicvoid{ publicvoiddecMonth()calendar.add(Calendar.MONTH,- publicPerpetualCalendar()view=new publicvoidshow() publicstaticvoidmain(String[]args)throwsExceptionfor(LookAndFeelInfoinfoUIManager.getInstalledLookAndFeels()){}}PerpetualCalendarcalendar=new}}importimportjava.awt.Container;importimportimportclassCalendarFrameextendsJFrameprivatestaticfinallongserialVersionUID=privatePerpetualCalendarcalendar;privateJLabelprivateJLabelprivateJLabelprivateJLabel[]weeks={newJLabel("newJLabel("newJLabel("newJLabel("newJLabel("newJLabel("newJLabel("六"),};privateJLabel[]days=newpublicvoidsetYearAndMonth(StringyearAndMonth) publicvoidsetCalendar(intbegin,intmaxDay,int for(inti=0;i<days.length;i++) for(inti=1;i<=maxDay;i++)StringdateStr=i<=9?""+i:""+days[begin+i-2].setText(dateStr); if(currentDay==i)}}days[begin+i-}}publicCalendarFrame(PerpetualCalendar{this.calendar=setSize(400,DimensiondsetLocation((d.width-getWidth())/(d.height-getHeight())/}privatevoidinit()ContainercontentPane=for(inti=0;i<weeks.length;i++)weeks[i].setBounds(40+i*50,50,}for(inti=0;i<days.length;i++)days[i]=newdays[i].setBounds(40+(i%7)*50,+(i/7)*50,30);}monthInc=newmonthInc.setBounds(250,20,20,monthDec=newmonthDec.setBounds(130,20,20,yearAndMonth=newyearAndMonth.setBounds(165,20,80,monthInc.addMouseListener(newMouseAdapter()publicvoidmouseEntered(MouseEvente) publicvoidmouseExited(MouseEvente) publicvoidmouseClicked(MouseEvente) monthDec.addMouseListener(newMouseAdapter()publicvoidmouseEntered(MouseEvente) publicvoidmouseExited(MouseEvente) publicvoidmouseClicked(MouseEvente) }}}privateSimpleDateFormatsdfnewSimpleDateFormat("yyyy年MMprivatevoidupdateCalendar()intmaxDayintcurrentDay=-Calendarc=if(c.get(Calendar.YEAR)==&&c.get(Calendar.MONTH)calendar.get(Calendar.MONTH))currentDay= calendar.get(Calendar.MONTH),intbegin=view.setCalendar(begin,maxDay,yyyy年MM}publicvoidincMonth()calendar.add(Calendar.MONTH,}publicvoiddecMonth()calendar.add(Calendar.MONTH,-1);}publicPerpetualCalendar()view=newCalendarFrame(this);}importimportimportimportpublicclassPerpetualCalendarprivateCalendarFrameprivateCalendarcalendar=privateSimpleDateFormatsdfnewSimpleDateFormat("yyyy年MMpublicvoidincMonth()calendar.add(Calendar.MONTH, publicvoiddecMonth()calendar.add(Calendar.MONTH,- publicPerpetualCalendar()view=new privatevoidupdateCalendar()intmaxDayintcurrentDay=-Calendarc=if(c.get(Calendar.YEAR)==&&c.get(Calendar.MONTH)calendar.get(Calendar.MONTH))currentDay= c.set(calendar.get(Calar.get(Calendar.MONTH),intbegin=view.setCalendar(begin,maxDay, publicvoidshow()}publicstaticvoidmain(String[]args)throwsExceptionfor(LookAndFeelInfoinfo:UIManager.getInstalledLookAndFeels()){if}}PerpetualCalendarcalendar=newPerpetualCalendar();}}classCalendarFrameJFrameprivateJLabel[]weeks={newJLabel("newJLabel("newJLabel("newJLabel("newJLabel("newJLabel("newJLabel("六"),};privateJLabel[]days=newJLabel[42];publicvoidsetYearAndMonth(StringyearAndMonth)}publicvoidsetCalendar(intbegin,intmaxDay,int{for(inti=0;i<days.length;i++)}for(inti=1;i<=maxDay;i++)StringdateStr=i<=9?""+i:""+days[begin+i-if(currentDay==i)days[begin+i-}}}publicCalendarFrame(PerpetualCalendarcalendar)this.calendar=setSize(400,DimensiondsetLocation((d.width-getWidth())/(d.height-getHeight())/}privatevoidinit()ContainercontentPane=for(inti=0;i<weeks.length;i++)weeks[i].setBounds(40+i*50,50,}for(inti=0;i<days.length;i++)days[i]=newdays[i].setBounds(40+(i%7)*+/*}monthInc=newmonthInc.setBounds(250,20,20,monthDec=newmonthDec.setBounds(130,20,20,yearAndMonth=newyearAndMonth.setBounds(165,20,80,monthInc.addMouseListener(new{publicvoidmouseEntered(MouseEvente)}publicvoidmouseExited(MouseEvente)}publicvoidmouseClicked(MouseEvente)}monthDec.addMouseListener(newMouseAdapter()publicvoidmouseEntered(MouseEvente)}publicvoidmouseExited(MouseEvente)}publicvoidmouseClicked(MouseEvente)}}}图-点击其中一个小方块（就是一个il），如果该il不是，但是它周围有，该ild上显示的是周围的数目如图-所示。如果点击的这个ild为那么所有il将部打如图-所示：图-图-图-图-图-publicstaticfinalintSIZE=16;//设置雷的区域是16行16publicstaticfinalintMINES_NUM=40;//设置雷的总数目为privateList<Field>publicFieldgetField(intx,inty)intindex=fields.indexOf(newField(x,y));if(index>=0){return}elsereturn}}publicintgetFieldStyle(intx,inty)returngetField(x,}publicvoidsetFieldStyle(intx,inty,intstyle)getField(x,}publicintgetMineValue(intx,inty)returngetField(x,}publicbooleanisMine(intx,inty)returngetField(x,}publicbooleanisCovered(intx,inty)returngetField(x,y).getStyle()==}publicbooleanisOpended(intx,inty)returngetField(x,y).getStyle()==}publicbooleanisMarked(intx,inty)returngetField(x,y).getStyle()==}publicvoidsetCovered(intx,inty)getField(x,}publicvoidsetOpended(intx,inty)getField(x,}publicvoidsetMarked(intx,inty)getField(x,}{fields.add(newField(x,}publicvoidinitMinefield()fields=newArrayList<Field>();Randomr=newRandom();for(intx=0;x<SIZE;{for(inty=0;y<SIZE;}//随机生成40for(inti=0;i<MINES_NUM;{intx,{x=r.nextInt(SIZE);y=}while(isMine(x,}publicclassFieldpublicstaticfinalintSTYLE_COVERD=publicstaticfinalintSTYLE_OPENED=2;publicstaticfinalintSTYLE_MARKED=3;publicbooleanequals(Objectprivateintintintstyle=intmineValue=publicField(intx,inty)this.x=x;this.y=}publicvoidsetMine()this.mineValue=-}publicboolean{returnmineValue==-{if(objinstanceofField)Fieldfield=(Field)returnx==field.x&&y==}elsereturn }publicStringtoString()if(STYLE_COVERD==style)return}elseif(STYLE_MARKED==style)return}elseif(STYLE_OPENED==style)if(isMine())return}elsereturn""}} returnpublicclassMinesfieldpublicstaticfinalintSIZE=publicstaticfinalintMINES_NUM=privateList<Field>publicFieldgetField(intx,inty)intindex=fields.indexOf(newField(x,if(index>=0)return}elsereturn}}publicintgetFieldStyle(intx,inty)returngetField(x,}publicvoidsetFieldStyle(intx,inty,intstyle)getField(x,}publicintgetMineValue(intx,inty)returngetField(x,}publicbooleanisMine(intx,inty)returngetField(x,}publicbooleanisCovered(intx,inty)returngetField(x,y).getStyle()==}publicbooleanisOpended(intx,inty)returngetField(x,y).getStyle()==}publicbooleanisMarked(intx,inty)returngetField(x,y).getStyle()==}publicvoidsetCovered(intx,inty)getField(x,}publicvoidsetOpended(intx,inty)getField(x,}publicvoidsetMarked(intx,inty)getField(x,}publicvoidinitMinefield()fields=newArrayList<Field>();Randomr=newRandom();for(intx=0;x<SIZE;{for(inty=0;y<SIZE;{fields.add(newField(xy));}}//随机生成40for(inti=0;i<MINES_NUM;{intx,{x=r.nextInt(SIZE);y=}while(isMine(x,}publicMinesfield()}publicclassTestField}} }

图-publicclassFieldintSTYLE_COVERD=intSTYLE_OPENED=2;intSTYLE_OPENED=intintintstyle=privateintmineValuepublicField(intx,{this.x=this.y=}publicintgetX()return}publicintgetY()return}publicvoidsetStyle(intstyle)this.style=}publicintgetStyle()return}publicvoidsetMineValue(int{this.mineValue=}publicintgetMineValue()return}publicvoidsetMine()this.mineValue=-}publicbooleanisMine()returnmineValue==- publicbooleanequals(Objectobj)if(objinstanceofField)Fieldfield=(Field)returnx==field.x&&y==}elsereturn}}publicStringtoString()if(STYLE_COVERD==style)return}elseif(STYLE_MARKED==style)return}elseif(STYLE_OPENED==style)if(isMine())return}elsereturn""+}}return}}importimportjava.util.List;importjava.util.Random;publicclassMinesfieldpublicstaticfinalintSIZE=16;publicstaticfinalintMINES_NUM=40;privateListpublicvoidinitMinefield()fields=newRandomr=newfor(intx=0;x<SIZE;x++)for(inty=0;y<SIZE;y++)fields.add(newField(x,}}for(inti=0;i<MINES_NUM;i++)intx,dox=y=}while(isMine(x,getField(x,}}publicFieldgetField(intx,inty)intindex=fields.indexOf(newif(index>=0)return(Field)}elsereturn}}publ