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POJO是()A、Plain Old Java ObjectB、Programming Object Java ObjectC、Page Old Java ObjectD、Plain Object Java Old
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在Java中,管理线程组的类是( )。A.java.lang.ThreadGroupB.java.lang.ThreadC.java.lang.RunnableD.java.lang.Object
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A programmer has an algorithm that requires a java.util.List that provides an efficient implementation of add(0, object), but does NOT need to support quick random access. What supports these requirements?()A.java.util.QueueB.java.util.ArrayListC.java.util.LinearListD.java.util.LinkedList
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下面哪个类给出了构件的定义? ( )A.java.awt.GraphicsB.java.awt.ContainerC.java.awt.ComponentD.java.awt.Object
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下列( )选项中的类给出了构件的定义。A.java.awt.GraphicsB.java.awt.ComponentC.java.awt.ContainerD.java.awt.Object
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下列说法正确的是( )。A.java.lang.Integer是接口B.java.lang.Runnable是类C.Double对象在java.lang包中D.Double对象在java.lang.Object包中
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可以使用由Java监视程序提供的更为简单的机制直接调用Java类。要使用监视程序实例化对象,就必须使用VBScript或者JavaScript的______指令并以java:classname的形式提供Java类的全名。A.ObjectB.SendObjectC.Put ObjectD.Get Object
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和AWT有关的所有事件类都是从类( )派生而来。A.java.awt.AWTEventB.java.kang.ObjectC.java.awt.FontD.java.awt.Graphics
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You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to anArrayList object. Which two JSP code snippets can you use to import these list types?()A、%! import java.util.*; %B、%! import java.util.List;import java.util.ArrayList; %C、%@ page import=’java.util.List’import=’java.util.ArrayList’ %D、%@ import types=’java.util.List’types=’java.util.ArrayList’ %E、%@ page import=’java.util.List,java.util.ArrayList’ %F、%@ import types=’java.util.List,java.util.ArrayList’ %
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下列说法正确的一项是()A、java.lang.Integer是接口B、String定义在java.util包中C、Double类在java.lang包中D、Double类在java.lang.Object包中
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POJO是()A、Plain Old Java ObjectB、Programming Object Java ObjectC、Page Old Java ObjectD、Plain Object Java Old
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与page指令%@ page import= “java.util.*, java.text.* “ % 等价的是()。A、%@ import="“java.util.*" page=""%@ import="“java.text.*" page=""%@ import="“java.text.*" page=""%@ import="“java.util.*" page=""%@ import="“java.text.*" page=""%@ import="“java.util.*" page=""%@ page import= “java.util.* % %@ page import= “java.text.* “ % B、%@ page import= “java.util.*” , import= “java.text.* “ % C、%@ page import= “java.util.* “ ; % %@ page import= “java.text.* “ ; %D、%@ page import= “java.util.* ; java.text.* “ %
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假设在Java源程序文件“MyClass.java”中只含有一个类,而且这个类必须能够被位于个庞大的软件系统中的所有Java类访问到,那么下面()声明有可能是符合要求的类声明。A、private class MyClass extends ObjectB、public class myclass extends ObjectC、public class MyClassD、class MyClass extends Object
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Java语言为所有的Java程序自动导入包“java.lang”,因此Java程序可以直接用“java.lang”中的类和接口。位于类继承关系层次结构树的根部的类Object就是在包“java.lang”中的类。()
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A programmer has an algorithm that requires a java.util.List that provides an efficient implementation of add(0,object), but does NOT need to support quick random access. What supports these requirements?() A、 java.util.QueueB、 java.util.ArrayListC、 java.util.LinearListD、 java.util.LinkedList
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Identify two correct statements to complete the sentance. In a Coherence implementation, it is a best practice to implement PortableObject on all customer objects because:()A、 it leverages Java’s built-in serializationB、 it provides a more efficient serialization of the objectC、 it allows the object to be shared across applicationsD、 it allows the object to be shared across programming platforms
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单选题与page指令 等价的是()。A
%@ import="“java.util.*" page=""%@ import="“java.text.*" page=""%@ import="“java.text.*" page=""%@ import="“java.util.*" page=""%@ import="“java.text.*" page=""%@ import="“java.util.*" page=""%@ page import= “java.util.* % %@ page import= “java.text.* “ % B
%@ page import= “java.util.*” , import= “java.text.* “ % C
%@ page import= “java.util.* “ ; % %@ page import= “java.text.* “ ; %D
%@ page import= “java.util.* ; java.text.* “ %
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单选题A programmer has an algorithm that requires a java.util.List that provides an efficient implementation of add(0,object), but does NOT need to support quick random access. What supports these requirements?()A
java.util.QueueB
java.util.ArrayListC
java.util.LinearListD
java.util.LinkedList
考题
多选题You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to anArrayList object. Which two JSP code snippets can you use to import these list types?()A%! import java.util.*; %B%! import java.util.List;import java.util.ArrayList; %C%@ page import=’java.util.List’import=’java.util.ArrayList’ %D%@ import types=’java.util.List’types=’java.util.ArrayList’ %E%@ page import=’java.util.List,java.util.ArrayList’ %F%@ import types=’java.util.List,java.util.ArrayList’ %
考题
单选题POJO是()A
Plain Old Java ObjectB
Programming Object Java ObjectC
Page Old Java ObjectD
Plain Object Java Old
考题
(难度:中等)java最顶级的父类是Object
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