submarine EPIRB
safety EPIRB
ship EPIRB
survival craft EPIRB
第1题:
A、of
B、to
C、from
D、with
第2题:
( 33 ) 创建一个名为 student 的新类 , 保存新类的类库名称是 mylib, 新类的 父 类是 P erson, 正确的命令是
A ) CREATE CLASS mylib OF student A s P erson
B ) CREATE CLASS student OF P erson A s mylib
C ) CREATE CLASS student OF mylib A s P erson
D ) CREATE CLASS P erson OF mylib A s student
第3题:
A、INMARSAT-A/INMARSAT-C
B、VHFDSC/MF DSC
C、SART/VHF DSC
D、S-EPIRB/VHF EPIRB
第4题:
class Mineral { static String shiny() { return "1"; } } class Granite extends Mineral { public static void main(String [] args) { String s = shiny() + getShiny(); s = s + super.shiny(); System.out.println(s); } static String getShiny() { return shiny(); } } 结果为:()
第5题:
class A { A() { } } class B extends A { } Which two statements are true?()
第6题:
public class Something {
void doSomething () {
private String s = "";
int l = s.length();
}
}
有错吗?
错。局部变量前不能放置任何访问修饰符 (private,public,和protected)。final 可以
用来修饰局部变量
(final 如同abstract 和strictfp,都是非访问修饰符,strictfp 只能修饰class 和method 而非
variable)。
第7题:
Which step should be taken,if possible,when the vessel must be abandoned because of a distress situation ________.
A.Alert the Coast Guard by using the survival craft's portable INMARSAT unit
B.Program the SART and EPIRB to transmit the vessel's location and situation
C.Place the SART and EPIRB in the“ON”position and secure them to the survival craft
D.No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly
第8题:
406MHz EPIRB,每50s发射时间为_____。
A.5s
B.0.5s
C.10s
D.25s
第9题:
Which two allow the class Thing to be instantiated using new Thing()?
第10题:
VHF/70 CHEPIRB S-EPIRB发射遇险报警时,其电波采用()传播