举一反三
- 阅读下面一段代码,代码的输出结果是() Integer in1 = new Integer(10); Integer in2 = new Integer(10); Integer in3 = 10; Integer in4 = 10; System.out.print(in1 == in2); System.out.print(in1 == in3); System.out.print(in3 == in4); A: truetruetrue B: falsefalsetrue C: falsefalsefalse D: falsetruefalse
- 阅读下面一段代码Integer in1 = new Integer(10);Integer in2 = new Integer(10);Integer in3 = 10;Integer in4 = 10;System.out.print(in1 == in2); System.out.print(in1 == in3); System.out.print(in3 == in4);下列选项中,程序的运行结果是( ) 。 A: false true false B: false false false C: false false true D: true true true
- 阅读下面一段代码[br][/br]Integer in1 = new Integer(10);[br][/br] Integer in2 = new Integer(10);[br][/br] Integer in3 = 10;[br][/br] Integer in4 = 10;[br][/br] System.out.print(in1 == in2);[br][/br] System.out.print(in1 == in3);[br][/br] System.out.print(in3 == in4);[br][/br]下列选项中,程序的运行结果是()[br][/br] A. [br][/br] B. [br][/br] C. D. A: true true true B: false false true C: falsefalsefalse D: false truefalse
- 给定Java代码片段,如下:Integer a=new Integer(3);Integer b=new Integer(3);System.out.println(a==b);运行后,这段代码将输出( )。 A: true B: false C: 0 D: 1
- 在Verilog HDL中,为了完成具有优先功能的四-二编码器(功能表如图所示),[img=230x98]17da6e4d527e86b.png[/img]部分程序如下: always @(in3,in2,in1,in0) ________ 4’b0001:{F1,F0}=2’b00; 4’b001x:{F1,F0}=2’b01;4’b01xx:{F1,F0}=2’b10;4’b1xxx:{F1,F0}=2’b11;default:{F1,F0}=2’bxx; endcase空格处应填( ) A: casex({in3,in2,in1,in0}) B: casex(in3,in2,in1,in0) C: case(in3,in2,in1,in0) D: case({in3,in2,in1,in0})
内容
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下列程序段的执行结果为 _______。 Dim a(3, 5) As Integer Dim i As Integer, j As Integer For i = 1 To 3 For j = 1 To 5 a(i, j) = a(i - 1, j - 1) + (i - 1) * 5 + j Next j Next i Print a(3, 4)
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运行以下程序,单击命令按钮后,如果用户从键盘上输入1、2、3、4、5、6,则窗体上输出内容为_________。 Private Sub Command1_Click() Dim a() As Integer Dim i As Integer, j As Integer ReDim a(6) For i = 5 To 10 a(10- i + 1) = InputBox("input number") Next i ReDim Preserve a(10) a(10) = a(3) + a(5) Print a(10) End Sub
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有如下函数过程: Function secproc(x As Integer, y As Integer, z As Integer) secproc = 3 * y + z + 2 * x End Function Private Sub Command1_Click() Dim a As Integer, b As Integer, c As Integer a = 2: b = 3: c = 4 Print secproc(c, b, a) End Sub 该程序的运行结果是( )。
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写出 a1.dat文件的最终结果 Private Sub Form_Click() Dim f1 As Integer, f2 As Integer, f3 As Integer Open "c:\a1.dat" For Output As #1 f1 = 2 f2 = 3 Print #1, "NO."; 3, f1 Print #1, "NO."; 4 , f2 For i = 5 To 7 f3 = f1 + f2 Print #1, "NO."; i, f3 f1 = f2 f2 = f3 Next i Close #1 End Sub
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下列程序段的运行结果是( )。 Dim A As Integer , B As Integer A = 15 B = 4 Print 4 + A B