当前分类: 1z0-851
问题:单选题Given: What is the result?()A CanadaB null CanadaC Canada nullD Canada CanadaE Compilation fails due to an error on line 26.F Compilation fails due to an error on line 29....
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问题:单选题Given: What is the result?()A 7B 49C 343D Compilation fails.E An exception is thrown at runtime....
问题:单选题Given: What is the result when method testIfA is invoked?()A TrueB Not trueC An exception is thrown at runtime.D Compilation fails because of an error at line 12.E Compilation fails because of an error at line 19....
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: Which statement is true?()A Compilation succeeds.B Class A does not compile.C The method declared on line 9 cannot be modified to throw TestException.D TestA compiles if line 10 is enclosed in a try/catch block that catches TestException....
问题:单选题Click the Exhibit button. What is the output if the main( ) method is run?()A 4B 5C 8D 9E Compilation fails.F An exception is thrown at runtime.G It is impossible to determine for certain....
问题:单选题Given: Which is true?()A If line 10 is removed, the compilation succeeds.B If line 11 is removed, the compilation succeeds.C If line 12 is removed, the compilation succeeds.D If line 13 is removed, the compilation succeeds.E More than one line mu...
问题:单选题Click the Exhibit button. Which statement is true about the classes and interfaces in the exhibit?()A Compilation will succeed for all classes and interfaces.B Compilation of class C will fail because of an error in line 2.C Compilation of class C ...
问题:单选题Given: What is the result?()A 2B 3C 12D 23E 123F Compilation fails.G An exception is thrown at runtime....
问题:多选题Given: Which two statements are true about the result if the default locale is Locale.US?()AThe value of b is 2.BThe value of a is 3.14.CThe value of b is 2.00.DThe value of a is 3.141.EThe value of a is 3.1415.FThe value of a is 3.1416.GThe value of ...
问题:多选题Click the Exhibit button. Given: Which two statements are true if a NullPointerException is thrown on line 3 of class C? ()AThe application will crash.BThe code on line 29 will be executed.CThe code on line 5 of class A will execute.DThe code on line...
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A company that makes Computer Assisted Design (CAD) software has, within its application, some utility classes that are used to perform 3D rendering tasks. The company's chief scientist has just improved the performance of one of the utility classes' k...
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:多选题A developer is creating a class Book, that needs to access class Paper. The Paper class is deployed in a JAR named myLib.jar. Which three, taken independently, will allow the developer to use the Paper class while compiling the Book class?()AThe JAR fi...
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...