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 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: Which code, inserted at line 15, creates an instance of the Point class defined in Line?()A Point p = new Point();B Line.Point p = new Line.Point();C The Point class cannot be instatiated at line 15.D Line l = new Line() ; l.Point p = new l...
问题:单选题Given: What is the result?()A Compilation fails.B exception is thrown at runtime.C The attribute id in the ItemTest object remains unchanged.D The attribute id in the ItemTest object is modified to the new value.E A new ItemTest object is created...
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 when the go( ) method is invoked?()A 00B 0001C 000120D 00012021E Compilation fails.F An exception is thrown at runtime....
问题:单选题Given: What is the result?()A 2B 24C 234D 246E 2346F Compilation fails....
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:单选题Which Man class properly represents the relationship "Man has a best friend who is a Dog"?()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...
问题:单选题Given: What is the result?()A BB B, followed by an Exception.C Compilation fails due to an error on line 9.D Compilation fails due to an error on line 14.E An Exception is thrown with no other output....
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: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 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 app.BitUtils.process(bytes);D util.BitUtils.process(bytes);E import uti...
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[/.]+...