OCPJP 6 Mock Exam -18

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1 . What will be the output? Choose the one below: Base(){} Base(long l){} Base(float f){} It will compile properly 2 . What will be the output? Choose the one below: 2 4 Compiler Error It will compile if we add super(2) in Test2() 3 . which of the following keywords can be applied to […]

OCPJP 6 Mock Exam -17

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1 . Given: Which of the following constructor signatures MUST exist in the Demo class for Derived to compile correctly? public Demo(int a, int b) public Demo(int c) public Demo() 2 . Which of the following class declarations for a normal top level class are incorrect? public synchronized class Base extends Thread private protected class […]

OCPJP 6 Mock Exam -16

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1 . What will be the output? Choose the one below: Compile time error at line 10 Compilation and output of 123 Compilation and output of the digits “1″, “2″ and “3″, but the order can’t be determined Compilation and output of onetwothree Compilation but runtime error at line 10 2 . The following is […]

OCPJP 6 Mock Exam -15

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1 . Which of the following can prevent a thread from executing? A call to its pause method A call to Thread.yield() Another thread is given higher priority A call to its halt() method 2 . Which of the following represent correct syntax for assertions? assertion(b==false); assert (b==false); assert() b==false; if(b!=true) assert; 3 . What […]

OCPJP 6 Mock Exam -14

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1 . Given Answer class behaves like some a File it has a Vector, a color, some boolean variable.What is the correct declaration? import public private Vector Serializable File Color extends boolean implements 2 . Some design issues: The following description applies to a class: given someclassname behaves as somesuperclassname and it has some fields […]

OCPJP 6 Mock Exam -13

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1.What will be the output? Choose the one below: True False 2 . What will be the output? Choose the one below: True False 3 . What will be the output? Is the line marked “lots of code” ever reached? Yes No 4 . What will be the output? Choose the one below: The code […]

OCPJP 6 Mock Exam -12

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1 . What will be the output? Choose the one below: the code will compile an print “Equal”. the code will compile an print “Not Equal”. the code will cause a compiler error. 2 . What will be the output? Choose the one below: the code will compile an print “Equal”. the code will compile […]

OCPJP 6 Mock Exam -11

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1 . Consider following classes: What will be the output of running class Test? false false true false true false true true false true true true true true true true true true false true None of the above 2 . Any class may be unloaded when none of it’s instances and class objects that represent […]

OCPJP 6 Mock Exam -10

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1 . Given: What is the result? Compilation succeeds Compilation fails because of an error on line 1 Compilation fails because of an error on line 3 Compilation fails because of an error on line 7 2 . Given: The ClassA class can be compiled successfully by inserting one of three possible¬†options on line 3. […]

OCPJP 6 Mock Exam – 9

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1 . What is the result when you compile and run the following code? Choose the one below: Compile Time error Runtime error Prints Testing myTop method in Top class on the console Prints Testing myTop method in Down class on the screen 2 . Which of the code fragments will throw an “ArrayOutOfBoundsException” ? […]