工科Java期末考试阅读程序题题库VIP免费

1/17《JAVA程序设计》复习题之（三）阅读程序题（计算机科学与技术专业使用）三、程序阅读题1．阅读以下程序importjava.io.*;publicclassReverse2{publicstaticvoidmain(Stringargs[]){inti,n=10;inta[]=newint[10];try{BufferedReaderbr=newBufferedReader(newInputStreamReader(System.in));a[i]=Integer.parseInt(br.readLine());}catch(IOExceptione){};for(i=n-1;i>=0;i=i-2)System.out.print(a[i]+"");System.out.println();}}请写出该程序的功能：该程序使用字符缓冲输入流从键盘输入10个数，然后倒序并间隔打印出来。2．阅读以下程序importjava.io.*;publicclassabc{publicstaticvoidmain(Stringargs[]){inti,s=0;inta[]={20,30,40,50,60,70,80,90,100,110,120};for(i=0;i=0;i=i-2){randf.seek(i*4);System.out.print(""+randf.readInt());randf.seek(40);System.out.println(randf.readUTF());randf.close();}catch(IOExceptione){System.out.println("Fileaccesserror:"+e);}}}该程序的输出结果是：996512366Goodmorning!4、阅读以下程序并填空。class_____________________extendsException{Stringmymsg="我自己定义的异常！";doublemynum=2.0;MyException(){super("首字母不能为A!")；}MyException(Stringmsg){_____________}//调用父类构造方法,参数为msgpublicvoiddisplayme(){System.out.println(mymsg);}3/17publicdoublemymethod(){returnMath.sqrt(mynum);}}classExceptionTest{publicstaticvoidmain(String[]args){try{if(args[O].charAt(O)=='A'){MyExceptione=newMyException();System.out.println("kkkk:"+e.mymethod());e.displayme();System．out．println("*********intry*********");__________________________;//抛出异常e}elseif(args[O].charAt(O)=='B'){thrownewMyException("第一个字符不应是B!")；}else{System.out.println(args[0]);}}catch(__________________________){System.out.println(aaa.getMessage());aaa.displayme();System.out.println(""+aaa.mymethod());}catch(__________________________){System.out.println("命令行参数个数错！");}}}程序填空：MyExceptionsuper(msg)throweMyExceptionaaaArrayIndexOutOfBoundsException5、阅读以下程序importjava.io.*；publicclassTest{publicstaticvoidmain(Stringargs[]){SubSubClassm=newSubSubClass(3,6,6);m.show();}}classSuperClass{inta,b;SuperClass(intx,inty){a=x;b=y;}}classSubClassextendsSuperClass{intc;4/17SubClass(intaa,intbb,intcc){super(aa,bb);c=cc;}}classSubSubClassextendsSubClass{inta；SubSubClass(intaa,intbb,intcc){super(aa,bb,cc);a=aa+bb+cc;}voidshow(){System.out.println("a="+a+"\nb="+b+"\nc="+c);}}请写出该程序的运行结果：a=15b=6c=66、阅读以下程序importjava.io.*;publicclassabc{publicstaticvoidmain(Stringargs[]){Stringsl="Hello!";Strings2=newString("World!");System.out.println(sl.concat(s2));}}请写出该程序的运行结果：Hello!World!7、阅读以下程序importjava.io.*;publicclassClass1{publicstaticvoidmain(Stringargs[]){inti，max，min；inta[]={12,67,8,98,23,56,124,55,99,100);max=min=a[0];for(i=1;imax)max=a[i];}System.out.println(max+""+min);System.out.println();5/17}}请写出该程序完成的功能：在数组中查找并输出最大值和最小值。8、阅读以下程序importjava.awt.*;importjava.applet.Applet;publicclassDrawMyI...