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function getresultcheck1(form)
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// 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-answer
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<CENTER><BR><B>Java试题（一）</B><BR><BR>
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<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 value=A name=1> A ArrayList myList=new Object（）；
<P><INPUT type=radio value=B name=1> B List myList=new ArrayList（）；
<P><INPUT type=radio value=C name=1> C ArrayList myList=new List（）；
<P><INPUT type=radio value=D name=1> D List myList=new List（）；
<BR><BR>2.paint()方法使用哪种类型的参数?
<P><INPUT type=radio value=A name=2> A Graphics
<P><INPUT type=radio value=B name=2> B Graphics2D
<P><INPUT type=radio value=C name=2> C String
<P><INPUT type=radio value=D name=2> D Color <BR><BR>3.指出正确的表达式
<P><INPUT type=radio value=A name=3> A byte=128;
<P><INPUT type=radio value=B name=3> B Boolean=null;
<P><INPUT type=radio value=C name=3> C long l=0xfffL;
<P><INPUT type=radio value=D name=3> 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 value=A name=4> A good and abc
<P><INPUT type=radio value=B name=4> B good and gbc
<P><INPUT type=radio value=C name=4> C test ok and abc
<P><INPUT type=radio value=D name=4> 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 value=A name=5> A 第一行会产生编译错误
<P><INPUT type=radio value=B name=5> B 第六行会产生编译错误
<P><INPUT type=radio value=C name=5> C 第六行会产生运行错误
<P><INPUT type=radio value=D name=5> 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 value=A name=6> A FileInputStream in=new
FileInputStream("file.dat"); in.skip(9); int c=in.read();
<P><INPUT type=radio value=B name=6> B FileInputStream in=new
FileInputStream("file.dat"); in.skip(10); int c=in.read();
<P><INPUT type=radio value=C name=6> C FileInputStream in=new
FileInputStream("file.dat"); int c=in.read();
<P><INPUT type=radio value=D name=6> 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 value=A name=7> A CardLayout
<P><INPUT type=radio value=B name=7> B FlowLayout
<P><INPUT type=radio value=C name=7> C BorderLa
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