【判断题】个体防毒的措施之一是正确使用呼吸防护器,防止有毒物质从呼吸道进入人体引起职业中毒。
【单选题】public intece A { String DEFAULT_GREETING = “Hello World”; public void method1(); } A programmer wants to create an intece called B that has A as its parent. Which intece declaration is c...
A.
public intece B extends A {}
B.
public intece B implements A {}
C.
public intece B instanceOf A {}
D.
public intece B inheritsFrom A {}
【单选题】In following description of the intece ,the incorrect one is :
A.
Intece is a reference type
B.
Intece supports multiple inheritance
C.
Methods in an intece have no method body
D.
An intece can inherit variables from other inteces
【单选题】How set the IP address to an intece and after enable a port or intece:
A.
Router(config)# intece Router(config-if)# ip address Router(config-if)# no shut
B.
Router(config)# intece Router(config-if)# ip number Router(config-if)# open intece
C.
Router(config)# intece Router(config-if)# ip address Router(config-if)# shutdown
【判断题】个体防毒的措施之一是正确使用呼吸防护器,防止有毒物质从呼吸道进入人体引起职业中毒。
【判断题】个体防毒的措施之一是正确使用呼吸防护器,防止有毒物质从呼吸道进入人体引起职业中毒。
【判断题】《铁路旅客运输服务质量标准》规定,普通旅客列车编组按硬座每3辆编挂一辆茶炉车
【多选题】The communication between the external device and the CPU is through the input / output intece. What are the main reasons for setting the intece?
A.
Intece works as data cache
B.
Intece for information format conversion
C.
The intece reports the operating status of the device and communicates the commands of the computer
D.
Intece accelerates information transmission
【多选题】《铁路旅客运输服务质量标准》规定,旅客列车服务质量标准分为()三个等级。
【单选题】下面关于intece,叙述错误的是:()
B.
intece中的方法定义中不可以再冠以abstract
C.
intece中可以定义有static final 常量