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(难度:中等)typeof null 返回 object
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YouaredevelopingaAsp.netwebapplicationthtincludesapanelcontrolthathasIDcontentsection.YouneedtoaddatextBoxcontroltothepanelcontrol.()
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public class X { public object m () { object o = new float (3.14F); object oa = new object [1]; oa[0]= o; o = null; oa[0] = null; return o; } } When is the float object created in line 3, eligible for garbage collection?() A、 Just after line 5.B、 Just after line 6.C、 Just after line 7.D、 Just after line 8(that is, as the method returns).
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You are developing a Asp.net web application tht includes a panel control that has ID contentsection.You need to add a textBox control to the panel control.()A、this.RequireControlState(this.LoadControl(typeof(TextBox),null));B、this.ContentSection.control.add(this.FindControl(ContentSection.ID + "asp:TextBox"));C、this.ContentSection.control.add(this.LoadControl(typeof(TextBox),null));D、this.LoadComplete("asp:TextBox").IntiantiateIn(Content Section)
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单选题public class X { public object m () { object o = new float (3.14F); object oa = new object [1]; oa[0]= o; o = null; oa[0] = null; return o; } } When is the float object created in line 3, eligible for garbage collection?()A
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Just after line 6.C
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单选题public class X { public object m () { object o = new float (3.14F); object oa = new object [1]; oa[0]= o; o = null; oa[0] = null; return o; } } When is the float object created in line 3, eligible for garbage collection?()A
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单选题You are developing a Asp.net web application tht includes a panel control that has ID contentsection.You need to add a textBox control to the panel control.()A
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