A Class S EPIRB is a（）.

A .  Compilation of both classes will fail. B .  Compilation of both classes will succeed. C .  Compilation of class a will fail. Compilation of class b will succeed. D .  Compilation of class a will fail. Compilation of class a will succeed.

A . Class A EPIRBs B . Class B EPIRBs C . L-Band EPIRBs D . Category I EPIRB

A . approved by the CCS B . designed for float free，automatic activation C . operated on 121.5/243 MHz D . operated manually

A . The JAR fileis located at$JAVA_HOME/jre/classes/myLib.jar. B . The JAR fileis located at$JAVA_HOME/jre/lib/ext/myLib.jar. C . TheJ AR fileis located at/foo/myLib.jar and aclasspath environment variable is set that includes /foo/myLib.jar/Paper.class. D . The JAR fileis located at/foo/myLib.jar and a classpath environment variable is set that includes/foo/myLib.jar. E . The JAR file is located at/foo/myLib.jar and the Book class is compiled using javac-cp/foo/myLib.jar/Paper Book.java. F . The JAR file is located at/foo/myLib.jar and the Book class is compiled using javac-classpath/foo/myLib.jar Book.java.

A . is primarily designed for vessels operating up to 50 miles offshore or on foreign waters B . transmits a signal that can be detected by satellite C . must be manually activated D . operates in the medium and low frequency band

A . operates on both military and civilian aircraft distress frequencies B . transmits both an alerting signal and a homing signal C . must be the float free type and automatically activated D . operates with a greater output of signal power

A . a distinctive signal B . the Morse Code signal for SOS C . a computerized voice announcement of Mayday D . your vessel's International Radio Call Sig

A . orbiting satellites in space B . commercial radio stations C . private，commercial，and military aircraft D . ordinary radio statio

A . class Man extends Dog{} B . class Man implements Dog{} C . class Man{private BestFriend dog；} D . class Man{private Dog bestFriend；} E . class Man{private Dog

A .  Class A B .  Compilation fails. C .  An exception is thrown at line 2. D .  An exception is thrown at line 6. E .  The code executes with no output.

A . A fire B . B fire C . C fire D . D fire

A . The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar. B . The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar.. C . The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class. D . The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar. E . The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac - cp /foo/myLib.jar/Paper Book.java. F . The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac - classpath /foo/myLib.jar Book.java

A . class Man extends Dog { } B . class Man implements Dog { } C . class Man { private BestFriend dog; } D . class Man { private Dog bestFriend; } E . class Man { private Dog<bestFriend>; } F . class Man { private BestFriend<dog>; }

A .  int addValue（ int a， int b ）{// do something...} B .  public void addValue （）{// do something...} C .  public int addValue（ int a ）{// do something...} D .  public int addValue（ int a， int b ）throws MyException {//do something...}

A . Number of wires in the inner core B . Number of strands per wire rope C . Tensile strength of the wire D . Number of wires per strand

A . The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar. B . The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar.. C . The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class. D . The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar. E . The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -cp /foo/myLib.jar/Paper Book.java. F . The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -d /foo/myLib.jar Book.java G . The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -classpath /foo/myLib.jar Book.java

A .  javax.servlet.http.HttpSessionListener B .  javax.servlet.http.HttpSessionValueListener C .  javax.servlet.http.HttpSessionBindingListener D .  javax.servlet.http.HttpSessionAttributeListener

A . 128.55.103.2 B . 195.201.22.11 C . 227.100.100.1 D . 120.102.27.120

A . diesel oil B . magnesium C . dunnage D . electrical insulatio

A .  class Man extends Dog { } B .  class Man implements Dog { } C .  class Man { private BestFriend dog； } D .  class Man { private Dog bestFriend； } E .  class Man { private Dog

A．More leg room B．Upgraded menu choices C．Special reclining chairs D．Personal viewing screens

A.class Man extends Dog { } B.class Man implements Dog { } C.class Man { private BestFriend dog; } D.class Man { private Dog bestFriend; } E.class Man { private Dog＜bestFriend＞; } F.class Man { private BestFriend＜dog＞; }