当前分类： 1z0-851
问题：单选题Given: What is the result?（）A HelloB Hello WorldC Compilation fails.D Hello World 5E The code runs with no output.F An exception is thrown at runtime....
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问题：单选题Given: What is the result?（）A 2B 24C 234D 246E 2346F Compilation fails....
问题：多选题Given a class whose instances, when found in a collection of objects, are sorted by using the compareTo（ ）method, which two statements are true?（）AThe class implements java.lang.Comparable.BThe class implements java.util.Comparator.CThe interface used ...
问题：单选题Given classes defined in two different files:What is required at line 5 in class SomeApp to use the process method of BitUtils?（）A process(bytes);B BitUtils.process(bytes);C util.BitUtils.process(bytes);D SomeApp cannot use methods in BitUtils.E i...
问题：单选题Given: When the doSomething method is called, after which line does the Object created in line 5 become available for garbage collection?（）A Line 5B Line 6C Line 7D Line 8E Line 9F Line 10...
问题：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....
问题：单选题Given: Which regular expression, inserted at line 12, correctly splits test into "Test A", "Test B", and "Test C"?（）A String regex=""；B String regex=" ."；C String regex=".*"；D String regex="//s"；E String regex="//.//s*"；F String regex="//w[/.]+...
问题：单选题A team of programmers is reviewing a proposed API for a new utility class. After some discussion,they realize that they can reduce the number of methods in the API without losing any functionality.If they implement the new design, which two OO principl...
问题：单选题Given: What is the result?（）A 1B 2C 12D Compilation fails.E No output is produced.F An exception is thrown at runtime....
问题：多选题Click the Exhibit button. Which three code fragments, added individually at line 29, produce the output 100?（）An = 100;Bi.setX( 100 );Co.getY().setX( 100 );Di = new Inner(); i.setX( 100 );Eo.setY( i ); i = new Inner(); i.setX( 100 );Fi = new Inner(); i...
问题：单选题Given： What is the result?（）A Afoo AfooB Afoo BfooC Bfoo AfooD Bfoo BfooE Compilation fails.F An exception is thrown at runtime....
问题：单选题Given: What is the output?（）A 42B 420C 462D 42042E Compilation fails.F An exception is thrown at runtime....
问题：多选题Given: Which three are valid?（）Ap0 = p1;Bp1 = p2;Cp2 = p4;Dp2 = (ClassC)p1;Ep1 = (ClassB)p3;Fp2 = (ClassC)p4;...
问题：单选题Given that t1 is a reference to a live thread, which is true?（）A The Thread.sleep() method can take t1 as an argument.B The Object.notify() method can take t1 as an argument.C The Thread.yield() method can take t1 as an argument.D The Thread.setPriorit...
问题：单选题Given: Which code, inserted at line 14, allows the Sprite class to compile?（）A Direction d = NORTH;B Nav.Direction d = NORTH;C Direction d = Direction.NORTH;D Nav.Direction d = Nav.Direction.NORTH;...
问题：多选题Which three statements are true?（）AA final method in class X can be abstract if and only if X is abstract.BA protected method in class X can be overridden by any subclass of X.CA private static method can be called only within other static methods in c...
