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<html><head><title>Java期末考试题</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><link rel="stylesheet" href="css/text.css" type="text/css"><script language="JavaScript"><!--function MM_openBrWindow(theURL,winName,features) { //v2.0 window.open(theURL,winName,features);}//--></script></head><script language="JavaScript">function getresultcheck(form){var mykeys=new Array();// mykeys[0]="B";mykeys[0]="B";mykeys[1]="D";mykeys[2]="A";mykeys[3]="B";//czp-select-answervar answer=new Array();for(var I=0;I<mykeys.length;I++) answer[I]="";var every=form.elements;<!--czp-select-count-->for(var I=0;I<every.length;I++){ if(every[I].type=="radio") { if(every[I].checked) { var item=parseInt(every[I].name.substr(0)); answer[item-1]+=every[I].value; } } }var newcount="<html><head><title>谢谢您!</title></head><body><center><h2><font color=red>您的测试结果</font></h2></center>";var totalscore=0;for(var I=0;I<answer.length;I++){ if(answer[I]==mykeys[I]) { var rstr="<font size=2>第"+(I+1)+"题答案正确!</font><br>"; newcount+=rstr; totalscore+=1/(answer.length)*100;//每题分数 }else { var rstr="<font size=2>第"+(I+1)+"题答案错误!正确答案为"+mykeys[I]+"</font><br>"; newcount+=rstr; }}newcount+="<br>您的总成绩为:";newcount+=Math.ceil(totalscore);newcount+="分";newwin=window.open("","","height=200,width=300,scrollbars=yes,resizable=no");newwin.document.write(newcount);}function getresultcheck1(form){var mykeys=new Array();// mykeys[0]="B";mykeys[0]="AB";mykeys[1]="ABC";mykeys[2]="CDE";//czp-mulselect-answervar answer=new Array();for(var I=0;I<mykeys.length;I++) answer[I]="";var every=form.elements;<!--czp-mulselect-count-->for(var I=0;I<every.length;I++){ if(every[I].type=="checkbox") { if(every[I].checked) { var item=parseInt(every[I].name.substr(0)); answer[item-1]+=every[I].value; } } }var newcount="<html><head><title>谢谢您!</title></head><body><center><h2><font color=red>您的测试结果</font></h2></center>";var totalscore=0;for(var I=0;I<answer.length;I++){ if(answer[I]==mykeys[I]) { var rstr="<font size=2>第"+(I+1)+"题答案正确!</font><br>"; newcount+=rstr; totalscore+=1/(answer.length)*100;//每题分数 }else { var rstr="<font size=2>第"+(I+1)+"题答案错误!正确答案为"+mykeys[I]+"</font><br>"; newcount+=rstr; }}newcount+="<br>您的总成绩为:";newcount+=Math.ceil(totalscore);newcount+="分";newwin=window.open("","","height=200,width=300,scrollbars=yes,resizable=no");newwin.document.write(newcount);}function check(){var mykeys=new Array();//czp-tiankong-answer//mykeys[0]="B";var answer=new Array();for(var I=0;I<mykeys.length;I++) answer[I]="";var every=zfl.elements;for(var I=0;I<every.length;I++){if(every[I].type=="text"){ if(every[I].value!==null) { //var item=parseInt(every[I].name.substr(1))// answer[item-1]+=every[I].value; answer[I]+=every[I].value; } }}var newcount="<html><head><title>谢谢您!</title></head><body><center><h2><font face=\"隶书\" size=\"5\" color=\"#000099\">您的测试结果</font></h2></center>";var totalscore=0;for(var i=0;i<answer.length;i++){ if(answer[i]==mykeys[i]) { var rstr="<font face=\"宋体\" size=2>第"+(i+1)+"个空答案正确!</font><br>"; newcount+=rstr; totalscore+=1/(answer.length)*100; }else { var rstr="<font face=\"宋体\" size=2>第"+(i+1)+"个空答案错误!正确答案为"+mykeys[i]+"</font><br>"; newcount+=rstr; }}newcount+="<br><font face=\"宋体\" size=3><b>您的总成绩为:</b></font><font face=\"宋体\" size=3 color=red>";newcount+=Math.ceil(totalscore);newcount+="分</font><br>";newwin=window.open("","","height=400,width=400,scrollbars=yes,resizable=no");newwin.document.write(newcount);}</script><body bgcolor="#FFFFFF" text="#000000" topmargin=0><br><center> <table width="95%" border="0" cellspacing="0" cellpadding="0"> <tr> <td class=text valign="top"> <form> <p><b>一、 选择</b><br> <br> 1、下面哪些是java语言中的关键字？ <p><input type="radio" name="1" value="A"> A sizeof <p><input type="radio" name="1" value="B"> B abstract<p><input type="radio" name="1" value="C"> C NULL<p><input type="radio" name="1" value="D"> D Native<br> <br> 2、下面语句哪个是正确的？ <p><input type="radio" name="2" value="A"> A char='abc';<p><input type="radio" name="2" value="B"> B long l=oxfff;<p><input type="radio" name="2" value="C"> C float f=0.23; <p> <input type="radio" name="2" value="D"> D double=0.7E-3; <br> <br> 3、以下程序测试String 类的各种构造方法，试选出其运行效果。 <br> class STR{<br> public static void main(String args[]){<br> String s1=new String();<br> String s2=new String("String 2");<br> char chars[]={'a',' ','s','t','r','i','n','g'};<br> String s3=new String(chars);<br> String s4=new String(chars,2,6);<br> byte bytes[]={0,1,2,3,4,5,6,7,8,9}; <br> StringBuffer sb=new StringBuffer(s3);<br> String s5=new String(sb);<br> System.out.println("The String No.1 is "+s1);<br> System.out.println("The String No.2 is "+s2);<br> System.out.println("The String No.3 is "+s3);<br> System.out.println("The String No.4 is "+s4);<br> System.out.println("The String No.5 is "+s5);<br> }<br> }<br> <p> <input type="radio" name="3" value="A"> A The String No.1 is <br> The String No.2 is String 2 <br> The String No.3 is a string <br> The String No.4 is string <br> The String No.5 is a string <p> <input type="radio" name="3" value="B"> B The String No.1 is <br> The String No.2 is String 2 <br> The String No.3 is a string <br> The String No.4 is tring <br> The String No.5 is a string <p> <input type="radio" name="3" value="C"> C The String No.1 is <br> The String No.2 is String 2 <br> The String No.3 is a string <br> The String No.4 is strin <br> The String No.5 is a string <p> <input type="radio" name="3" value="D"> D 以上都不对 <br> <br> 4、下面语句段的输出结果是什么？ <br> int i = 9; <br> switch (i) { <br> default: <br> System.out.println("default"); <br> case 0: <br> System.out.println("zero"); <br> break; <br> case 1: <br> System.out.println("one"); <br> case 2: <br> System.out.println("two"); } <p><input type="radio" name="4" value="A"> A default<p><input type="radio" name="4" value="B"> B default, zero<p><input type="radio" name="4" value="C"> C error default clause not defined<p><input type="radio" name="4" value="D"> D no output displayed<br><!--czp-select-timu--> </p> <p> <input type=button name=Button2 value=答案 交 onClick=MM_openBrWindow('text/examination/exam01_pop1.htm','','width=471,height=384') class=pbox> <input type="reset" name="Reset2" value="重置" class=pbox> <input type=button name=Button22 value="判分" onClick="getresultcheck(this.form)" class=pbox> </p> <p> </p></form> <form> <p><b>二、多项选择</b><br> <br> <br> 1、下面哪些语句能够正确地生成5个空字符串？ <p><input type="checkbox" name="1" value="A"> A String a[]=new String[5]; for(int i=0;i<5;a[++]="");<p><input type="checkbox" name="1" value="B"> B String a[]={"","","","",""};<p><input type="checkbox" name="1" value="C"> C String a[5]; <p> <input type="checkbox" name="1" value="D"> D String[5]a; <br> <br> <input type="checkbox" name="1" value="E"> E String []a=new String[5]; for( int i=0;i<5;a[i++]=null); <br> <br> 2、下面哪些选项将是下述程序的输出？ <br> public class Outer{<br> public static void main(String args[]){<br> Outer: for(int i=0; i<3; i++)<br> inner:for(int j=0;j<3;j++){<br> if(j>1) break;<br> System.out.println(j+"and"+i);<br> }<br> }<br> }<br> <br> <p><input type="checkbox" name="2" value="A"> A 0 and 0<p><input type="checkbox" name="2" value="B"> B 0 and 1<p><input type="checkbox" name="2" value="C"> C 0 and 2 <p> <input type="checkbox" name="2" value="D"> D 0 and 3 <br> <br> <input type="checkbox" name="2" value="E"> E 2 and 2 <br> <br> <input type="checkbox" name="2" value="F"> F 2 and 1 <br> <br> <input type="checkbox" name="2" value="G"> G 2 and 0 <br> <br> 3、下面哪个语句正确地声明一个整型的二维数组？ <p><input type="checkbox" name="3" value="A"> A int a[][] = new int[][];<p><input type="checkbox" name="3" value="B"> B int a[10][10] = new int[][];<p><input type="checkbox" name="3" value="C"> C int a[][] = new int[10][10]; <p> <input type="checkbox" name="3" value="D"> D int [][]a = new int[10][10]; <br> <br> <input type="checkbox" name="3" value="E"> E int []a[] = new int[10][10]; <br> <!--czp-mulselect-timu--> </p> <p> <input type=button name=Button2 value=答案 交 onClick=MM_openBrWindow('text/examination/exam01_pop6.htm','','width=471,height=384') class=pbox> <input type="reset" name="Reset2" value="重置" class=pbox> <input type=button name=Button22 value="判分" onClick="getresultcheck1(this.form)" class=pbox> <br> <br> </p> </form> <form> <p><b>三、 编程题</b><br> <br> 1、编写一个程序，用选择法对数组a[]={20,10,50,40,30,70,60,80,90,100}进行从大到小的排序。<br> <textarea name=jianda cols=50 rows=5></textarea><br><br><br><!--czp-wenda-timu--> <br> <input type=button name=Button value=答案 案 onClick="MM_openBrWindow('text/examination/exam01_pop2.htm','','width=471,height=384')" class=pbox> <input type='reset' name='Submit3' value='重置' class=pbox> </p> </form><form> <p> </p> </form> <form> </form> </td> </tr></table></center></body></html>⌨️ 快捷键说明
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