阅读下面程序classex32{publicstaticvoidmain(String[]args){intx=2;{x=3;System.out.println(x);}}}现在想先编译再运行该程序,结果是()
A.2
B.3
C.编译出错
D.运行出错
A.2
B.3
C.编译出错
D.运行出错
A.32
B.23
C.编译出错
D.运行出错
A. 1213
B.213
C.321
D.123
A.0
B.1
C.2
D.出错
A.3.
B.7
C.4
D.出错
A.2626
B.2727
C.2627
D.2726
A.1
B.2.
C.编译出错
D.运行出错
阅读下面程序,判断它的输出结果
class UseURL{public static void main(String args [ ])
{URL url=null;try
{url=new URL("http://java.sun.com:8080/java/doc1.html");}
catch(MalformedURLException e)
{System.out.println("MalformedURLException.");}
System.out.println(url.toString());}}
A、MalformedURLException.
B、http://java.sun.com:8080/java.doc1.html
C、http://java.sun.com/java.doc1.html
D、//java.sun.com/java.doc1.html
A.f.actionPerforme
B.ButtonHandle.actionPerformed
C.Frame.actoinPerformed
D.Ex8125.actionPerformed
阅读下面数据搬移程序段,改正使用不当的语句。
A DB 35,47,2AH,'XYZ'
B DB N DUP(0)
N EQU $-A
MOV SI,A
MOV D1,B
MOV CX,LENGTH A
LP:MOV AX,[SI]
MOV [DI],AX
INC SI
INC DI
DEC CX
LOOP LP
A.0
B.1
C.2
D.3