OCPJP 6 / SCJP 1.6 Syllabus

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Section 1: Declarations, Initialization and Scoping Develop code that declares classes (including abstract and all forms of nested classes), interfaces, and enums, and includes the appropriate use of package and import statements (including static imports). Develop code that declares an interface. Develop code that implements or extends one or more interfaces. Develop code that declares […]

OCMJEA Mock Exam -1

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1 . Which of the following are true about Active Replication? It is a fault-tolerance mechanism It is achieved by taking cold back ups Each replica attempts to process each request but extra calls may be intercepted via an interceptor State changes are logged and periodically flushed to the replicas State is synchronized only when […]

OCPJP 6 Exam

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The Oracle Certified Professional for Java Platform, Standard Edition 6 certification exam is for programmers experienced using the Java programming language. Achieving this certification provides clear evidence that a programmer understands the basic syntax and structure of the Java programming language and can create Java technology applications that run on server and desktop systems using […]

OCPJP 6 Mock Exam – 21

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1 . Given: Which two construct an anonymous inner class? Choose the two below: AnAdapter1 aa = new AnAdapter1 () {} AnAdapter0 aa = new AnAdapter0 () {} AnAdapter0 aa = new AnAdapter0 (5) {} AnAdapter1 aa = new AnAdapter1 (5) {} AnInterface ai = new Anlnterface (5)) { 2 . What will be the […]

OCPJP 6 Mock Exam – 20

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1 . Which of the following are valid array construction? int a[] = new int[]; int a[] = new int[10]; int a[10] = new int[]; int a[] = new a[10]; 2 . Which of the following are valid array initialization? new int[] = {1,2,3,4}; new int[10] = {1,2,3,4}; new int[] = 1,2,3,4; new int[] = […]

OCPJP 6 Mock Exam -19

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1 . What will be the output? Choose the one below: 10 0 Nothing is printed Compiler error 2 . which of the following modifiers are applied to the nested classes class? private protected public static All the above 3 . which of the following modifiers are applied to the top level classes? static private […]

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 […]