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1、自考Java语言程序设计一程序设计综合题汇总程序设计综合题(程序填空和编程题)一、程序填空,阅读下列程序并完成程序填空1、用JavaApplet小应用程序完成下列填空3.2importjava.applet.*;importjava.【awt】.*;publicclasstest1_1extends【Applet】{publicvoidpaint(【Graphics】g){intx=2,y=1;【switch】(x+y){case1:g.setColor(Color.red);g.drawString(“我是红色”,5,10);break;case2:g.s
2、etColor(Color.blue);g.drawString(“我是蓝色”,5,10);break;case3:g.setColor(Color.green);g.drawString(“我是绿色”,5,10);break;【default】:g.drawString(“没有设置颜色”,5,10);}}}<1>awt<2>Applet<3>Graphics<4>switch<5>default2、3.2importjava.【applet】.*;importjava.awt.*;publicclasstest1_1【extends】Applet{publ
3、icvoidpaint(Graphicsg)int【sum=0】;for(inti=1;【i<=100】;i++)sum=sum+i;g.【drawString】(“sum=”+sum,10,20);}<1>applet<2>extends<3>sum=0<4>i<=100<5>drawString3、3.2【public】classtest1_1{public【static】voidmain(【String】args[]){inti,j;for(j=2;j<=50;j++)for(i=2;i<=j/2;i++){if(【j%i】)break;}if(i>j
4、/2)System.【out】.pritnln(j+”是素数”);}}<1>public<2>static<3>String<4>j%i==0<5>out4、4.5importjava.【applet】.*;importjava.awt.*;【class】Chengji{floatf(floatx,floaty){returnx*y;}}classXiangjia【extends】Chengji{floatf(floatx,floaty){returnx+y;}}publicclasstest1_1extendsApplet{Xiangjiasum;publ
5、icvoid【init()】{sum=newXiangjia();}publicvoidpaint(【Graphics】g){g.drawString(“sum=”+sum.f(4,6),5,20);}}<1>applet<2>class<3>extends<4>init()<5>Graphics5、4.5【class】Student{intnumber;Stringname;【Student】(intnumber,Stringname){this.number=number;this.name=name;Systemout.println(“Iam”+na
6、me+”Mynumberis”+number);}}classUniver_Student【extends】Student{boolean婚否;Univer_Student(intnumber,Stringname,booleanb){【super】(number,name);婚否=b;System.out.pritnln(“婚否=”+婚否);}}publicclasstest1_1{publicstaticvoidmain(Stringargs[]){Univer_Studentzhang=【new】Univer_Student(9901,”和小林”,fa
7、lse);}}<1>class<2>Student<3>extends<4>super<5>new6、5.7importjava.applet.*;importjava.awt;classtest1_extends【Applet】{【String】tom;publicvoid【init()】{tom=”2203026206209021”;}publicvoidpaint(【Graphics】g){if((tom.【startsWith】(“”220))&&(tom.endsWith(“1”)
8、
9、tom.endsWith(“3”)))g.drawString(
10、“tom是吉林人,男性”,10,10);}}<1>A