java實(shí)驗(yàn)2復(fù)習(xí)

1、1.設(shè)計(jì)一個(gè)名為figure的圖形軟件包（package）。包中包含三角形、矩形、圓三個(gè)類。要求：（1）每個(gè)類都要構(gòu)造方法并為成員設(shè)置get和set方法；（2）每個(gè)類都要有計(jì)算周長和面積的成員方法；（3）完成該軟件包后的編碼后，在另一個(gè)包的含有main方法的類中編寫代碼，分別使用圖形軟件包中的三個(gè)類，生成三個(gè)對象，并打印出其周長和面積。packagefigurepublicclassjuxing矩形的計(jì)算函數(shù)privatedoublel

2、enthwidthpublicjuxing()lenth=0width=0publicjuxing(doublexdoubley)lenth=xwidth=ypublicvoidsetLenth(doublelenth)this.lenth=lenthpublicdoublegetLenth()returnlenthpublicvoidsetWidth(doublewidth)this.width=widthpublicdoublege

3、tWidth()returnwidthpublicdoubleperimeter()returnlenthwidthpublicdoubleArea()return(lenthwidth)2packagefigureimptjava.math.publicclasssanjiaoxing三角形的計(jì)算函數(shù)privatedoubleside1privatedoubleside2privatedoubleside3publicsanjiaox

4、ing()side1=0side2=0side3=0publicsanjiaoxing(doublexdoubleydoublez)side1=xside2=yside3=zpublicvoidsetSide1(doubleside1)this.side1=side1publicdoublegetSide1()returnside1publicvoidsetSide2(doubleside2)this.side2=side2public

5、doublegetSide2()returnside2publicvoidsetSide3(doubleside3)this.side3=side3publicdoublegetSide3()returnside3publicdoubleperimeter()returnside1side2side3publicdoubleArea()doublep=(side1side2side3)2returnMath.sqrt(p(pside1)

6、(pside2)(pside3))packagefigureimptjava.math.publicclassyuanxing圓形的計(jì)算函數(shù)this.name=namepublicStringgetName()returnnamepublicvoidsetAge(intage)this.age=agepublicintgetAge()returnagepublicvoidsetSeminary(Stringseminary)this.s

7、eminary=seminarypublicStringgetSeminary()returnseminarypublicbooleanequals(Objecto)booleanresult=falseTeachert=(Teacher)oif(this.no==t.no)returntruereturnresultpublicStringtoString()return“編號為“getNo()“姓名為“getName()“年齡為“g

8、etAge()“的“getSeminary()“學(xué)院老師“compareTo接口publicintcompareTo(Objecto)TeacherotherTea=(Teacher)oif(nootherTea.no)return1return0package.sdkdimptjava.util.Arraysimptcn.sd.publicclassmainpublicstaticvoidmain(String[]args)Teach

9、ert1=newTeacher(0001“白玉“28“信息“)Teachert2=newTeacher(0002“李蘭馨“36“地科“)Teachert3=newTeacher(0003“張成宇“40“材料“)Teacher[]TeaArray=newTeacher[3]TeaArray[0]=newTeacher(1001“白玉“28“信息“)TeaArray[1]=newTeacher(1005“李蘭馨“42“地科“)TeaArra

10、y[2]=newTeacher(1003“張成宇“40“材料“)System.out.println(t1.toString())System.out.println(t2.toString())System.out.println(t3.toString())System.out.print(“n“)t1.setNo(t2.getNo())System.out.println(“臨時(shí)修改教師t3的信息“)System.out.prin

11、tln(“教師t1與教師t2是否相同？“)System.out.println(t1.equals(t2))System.out.println(“教師1與教師t3是否相同？“)System.out.println(t1.equals(t3))System.out.print(“n“)System.out.println(“按編號升序排列：“)Arrays.st(TeaArray)f(inti=0iTeaArray.lengthi)Sy