设栈S的初始状态为空。元素a,b,c,d,e,f依次通过栈S,若出栈的顺序为b,d,c,f,e,a,则栈S的容量至少应该为
A.3
B.4
C.5
D.6
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下面程序段的输出结果是 class Test{ public static void main(String args[]){ MyThread t=new MyThread(); t.displayOutput("t has been created)); t.start(); } } class MyThread extends Thread{ public void displayOutput(String s){ System.out.println(s); } public void run(){ displayOutput(t is running."); } }
A.t has been created.
B.t has been created. t is running.
C.t is running.
D.编译出错
用C语言编写的代码程序
A.可立即执行
B.是一个源程序
C.经过编译即可执行
D.经过编译解释才能执行
用来实现Java虚拟机的语言是
A.Java
B.C
C.C++
D.汇编
能将程序补充完整的选项是 class Person { private int a; public int change(int m){return m; } } public class Teacher extends Person { public int b; public static void main(String arg[]) { Person p=new Person(); Teacher t=new Teacher(); int i; ______ } }
A.i=m
B.i=b
C.i=p.a
D.i=p.change(50)
下列程序的功能是把顺序文件smtextl.txt的内容全部读入内存,并在文本框Textl中显示出来。请填空。
Private Sub Command1_Click()
Dim inData As String
Text1.Text=""
Open "smtext1.txt"【 】As【 】
Do While【 】
Input 2,inData
Text1.Text=Text1.Text & inData
Loop
Close 2
End Sub