题目

[填空题]请在下面代码中加入监听器语句。
importjava.awt.*;
importjava.applet.Applet;
publicclassSimpleextendsAppleimplementsMouseListener
StringBuffer;
publicvoidinit()
//监听器语句
buffer=newStringBuffer();
addltem(“initializing…”);
publicvoidmoseEntered(MouseEventevent)
publicvoidmoseExited(MouseEventevent)
publicvoidmosePressed(MouseEventevent)
publicvoidmoseReleased(MouseEventevent)
publicvoidmoseClicked(MouseEventevent)
addltem(“click!…”);

相关标签: 监听器  

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[填空题]请在下面代码中加入监听器语句【15】。importjava.awt.*;importjava.applet.Applet;publicclassSimpleextendsAppletimplementsMouseListener{StringBuffer;Publicvoidinit(){______//加监听器语句buffer=newStringBuffer();addItem("initializing.....");}PublicvoidmoseEntered(MouseEventevent){}PublicvoidmoseExited(MouseEventevent){}PublicvoidmosePressed(MouseEventevent){}PublicvoidmoseReleased(MouseEventevent){}PublicvoidmoseClicked(MouseEventevent){addItem("click!...");}}

下列叙述中,错误的是

A.Applet事件处理机制与JavaApplication相同

B.JApplet事件处理机制采用监听器方式

C.Applet事件处理机制采用监听器方式

D.JApplet事件处理机制不是采用监听器方式

以下关于OrableHOME_NAMETNSLisnter说法正确的是()

A.此服务是ORACLE服务器的监听程序

B.客户端必须先连接驻留在数据库服务器上的监听进程

C.监听器接收从客户端发出的请求,然后将请求传递给数据库服务器

D.监听器未启动,客户端将无法连接到数据库服务器

[填空题]请在下面代码中加入监听器语句。
importjava.awt.*;
importjava.applet.Applet;
publicclassSimpleextendsAppleimplementsMouseListener
StringBuffer;
publicvoidinit()
//监听器语句
buffer=newStringBuffer();
addltem(“initializing…”);
publicvoidmoseEntered(MouseEventevent)
publicvoidmoseExited(MouseEventevent)
publicvoidmosePressed(MouseEventevent)
publicvoidmoseReleased(MouseEventevent)
publicvoidmoseClicked(MouseEventevent)
addltem(“click!…”);
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