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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]="A";mykeys[2]="C";mykeys[3]="B";mykeys[4]="A";mykeys[5]="A";mykeys[6]="B";mykeys[7]="C";mykeys[8]="B";mykeys[9]="B";mykeys[10]="C";//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;var totalcount=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>"; totalcount++; newcount+=rstr;// if (totalcount==(answer.length)) // {totalscore=100; //}// else// {// 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; } totalscore=(totalcount/answer.length)*100.0;}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]="BD";mykeys[1]="AE";mykeys[2]="AC";mykeys[3]="AE";mykeys[4]="AE";mykeys[5]="DEF";mykeys[6]="AC";mykeys[7]="BC";mykeys[8]="AB";mykeys[9]="CD";mykeys[10]="CD";mykeys[11]="ACD";mykeys[12]="ABD";//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();mykeys[0]="x=10,a=3,b=4,c=5";mykeys[1]="java.util";mykeys[2]="(public )(static )(void)(main)(String args[])";mykeys[3]="1";mykeys[4]="26";//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><center> <br> <b>Java试题（一）</b><br> <br> <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.欲构造ArrayList类的一个实例，此类继承了List接口，下列哪个方法是正确的 ？ <p> <input type="radio" name="1" value="A"> A ArrayList myList=new Object（）； <p> <input type="radio" name="1" value="B"> B List myList=new ArrayList（）； <p> <input type="radio" name="1" value="C"> C ArrayList myList=new List（）； <p> <input type="radio" name="1" value="D"> D List myList=new List（）； <br> <br> 2.paint()方法使用哪种类型的参数? <p> <input type="radio" name="2" value="A"> A Graphics <p> <input type="radio" name="2" value="B"> B Graphics2D <p> <input type="radio" name="2" value="C"> C String <p> <input type="radio" name="2" value="D"> D Color <br> <br> 3.指出正确的表达式 <p> <input type="radio" name="3" value="A"> A byte=128; <p> <input type="radio" name="3" value="B"> B Boolean=null; <p> <input type="radio" name="3" value="C"> C long l=0xfffL; <p> <input type="radio" name="3" value="D"> D double=0.9239d; <br> <br> 4.指出下列程序运行的结果 <br> public class Example{ <br> String str=new String("good"); <br> char[]ch={'a','b','c'}; <br> public static void main(String args[]){ <br> Example ex=new Example(); <br> ex.change(ex.str,ex.ch); <br> System.out.print(ex.str+" and "); <br> Sytem.out.print(ex.ch); <br> } <br> public void change(String str,char ch[]){ <br> str="test ok"; <br> ch[0]='g'; <br> } <br> } <p> <input type="radio" name="4" value="A"> A good and abc <p> <input type="radio" name="4" value="B"> B good and gbc <p> <input type="radio" name="4" value="C"> C test ok and abc <p> <input type="radio" name="4" value="D"> D test ok and gbc <br> <br> 5.运行下列程序, 会产生什么结果 <br> public class X extends Thread implements Runable{ <br> public void run(){ <br> System.out.println("this is run()"); <br> } <br> public static void main(String args[]) <br> { <br> Thread t=new Thread(new X()); <br> t.start(); <br> } <br> } <p> <input type="radio" name="5" value="A"> A 第一行会产生编译错误 <p> <input type="radio" name="5" value="B"> B 第六行会产生编译错误 <p> <input type="radio" name="5" value="C"> C 第六行会产生运行错误 <p> <input type="radio" name="5" value="D"> D 程序会运行和启动 <br> <br> 6.要从文件" file.dat"文件中读出第10个字节到变量C中,下列哪个方法适合? <p> <input type="radio" name="6" value="A"> A FileInputStream in=new FileInputStream("file.dat"); in.skip(9); int c=in.read(); <p> <input type="radio" name="6" value="B"> B FileInputStream in=new FileInputStream("file.dat"); in.skip(10); int c=in.read(); <p> <input type="radio" name="6" value="C"> C FileInputStream in=new FileInputStream("file.dat"); int c=in.read(); <p> <input type="radio" name="6" value="D"> D RandomAccessFile in=new RandomAccessFile("file.dat"); in.skip(9); int c=in.readByte(); <br> <br> 7.容器被重新设置大小后，哪种布局管理器的容器中的组件大小不随容器大小的变化而改变？ <p> <input type="radio" name="7" value="A"> A CardLayout <p> <input type="radio" name="7" value="B"> B FlowLayout <p> <input type="radio" name="7" value="C"> C BorderLayout <p> <input type="radio" name="7" value="D"> D GridLayout <br> <br> 8.给出下面代码： <br> public class Person{ <br> static int arr[] = new int[10];<br> public static void main(String a[]) <br> { <br> System.out.println(arr[1]); <br> } <br> } <br> <br> 那个语句是正确的？ <p> <input type="radio" name="8" value="A"> A 编译时将产生错误； <p> <input type="radio" name="8" value="B"> B 编译时正确，运行时将产生错误； <p> <input type="radio" name="8" value="C"> C 输出零； <p> <input type="radio" name="8" value="D"> D 输出空。 <br> <br> 9.哪个关键字可以对对象加互斥锁？ <p> <input type="radio" name="9" value="A"> A transient <p> <input type="radio" name="9" value="B"> B synchronized <p> <input type="radio" name="9" value="C"> C serialize <p> <input type="radio" name="9" value="D"> D static <br> <br> 10.下列哪些语句关于内存回收的说明是正确的? <p> <input type="radio" name="10" value="A"> A 程序员必须创建一个线程来释放内存； <p> <input type="radio" name="10" value="B"> B 内存回收程序负责释放无用内存 <p> <input type="radio" name="10" value="C"> C 内存回收程序允许程序员直接释放内存 <p> <input type="radio" name="10" value="D"> D 内存回收程序可以在指定的时间释放内存对象 <br> <br> 11.下列代码哪几行会出错: <br> 1) public void modify() { <br> 2) int I, j, k; <br> 3) I = 100; <br> 4) while ( I > 0 ) { <br> 5) j = I * 2; <br> 6) System.out.println (" The value of j is " + j ); <br> 7) k = k + 1; <br> 8) I--; <br> 9) } <br> 10) } <p> <input type="radio" name="11" value="A"> A line 4 <p> <input type="radio" name="11" value="B"> B line 6 <p> <input type="radio" name="11" value="C"> C line 7 <p> <input type="radio" name="11" value="D"> D line 8 <br>⌨️ 快捷键说明
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