Download Java SE 7 Programmer II.Examskey.1z0-804.2018-12-03.1e.87q.vcex

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Exam Java SE 7 Programmer II
Number 1z0-804
File Name Java SE 7 Programmer II.Examskey.1z0-804.2018-12-03.1e.87q.vcex
Size 5.06 Mb
Posted December 03, 2018
Downloaded 0



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Demo Questions

Question 1
Given:

  

What is the result?

  • A: Event Quiz
  • B: Event Event
  • C: Quiz Quiz
  • D: Quiz Event
  • E: Compilation fails



Question 2
Which two forms of abstraction can a programmer use in Java? 

  • A: enums
  • B: interfaces
  • C: primitives
  • D: abstract classes
  • E: concrete classes
  • F: primitive wrappers



Question 3
Given the classes:

  

What is the result?

  • A: John Harry
  • B: unknown Harry
  • C: john unknown
  • D: unknown unknown
  • E: Compilation fails.
  • F: An exception is thrown at runtime.



Question 4
Given:

  

Which statement will iterate through Direction?

  • A: for (Direction d : Direction.values()){ 
    // 
    }
  • B: for (Direction d : Direction.asList()){ 
    // 
    }
  • C: for (Direction d : Direction.iterator()){ 
    // 
    }
  • D: for (Direction d : Direction.asArray()){ 
    // 
    }



Question 5
Given:

  

What is the result?

  • A: Daniel
  • B: Unknown
  • C: It may print"unknown"or"Daniel"depending on the JVM implementation.
  • D: Compilation fails.
  • E: An exception is thrown at runtime.



Question 6
Which four are true about enums? 

  • A: An enum is typesafe.
  • B: An enum cannot have public methods or fields.
  • C: An enum can declare a private constructor.
  • D: All enums implicitly implement Comparable.
  • E: An enum can subclass another enum.
  • F: An enum can implement an interface.



Question 7
Given: 

  

Which statement, inserted at line 8, enables the code to compile?

  • A: new Task().new Counter().increment();
  • B: new Task().Counter().increment(); 
  • C: new Task.Counter().increment();
  • D: Task.Counter().increment();
  • E: Task.Counter.increment();



Question 8
Which represents part of a DAO design pattern?

  • A: interface EmployeeDAO { 
    int getID(); 
    Employee findByID (intid); 
    void update(); 
    void delete(); 
    }
  • B: class EmployeeDAO { 
    int getID() { return 0;} 
    Employee findByID (int id) { return null;} 
    void update ()  
    void delete ()  
    }
  • C: class EmployeeDAO { 
    void create (Employee e)  
    void update (Employee e)  
    void delete (int id)  
    Employee findByID (int id) {return id} 
    }
  • D: interface EmployeeDAO { 
    void create (Employee e); 
    void update (Employee e); 
    void delete (int id); 
    Employee findByID (int id); 
    }
  • E: interface EmployeeDAO { 
    void create (Connection c, Employee e); 
    void update (Connection c, Employee e); 
    void delete (Connection c, int id); 
    Employee findByID (Connection c, int id); 
    }



Question 9
Given: 

  

Which group of method is moved to a new class when implementing the DAO pattern?

  • A: public in getId () 
    public String getContractDetails () 
    public Void setContractDetails(String contactDetails) 
    public String getName () 
    public void setName (String name) 
  • B: public int getId () 
    public String getContractDetails() 
    public String getName() 
    public Person getPerson(int id) throws Exception
  • C: public void setContractDetails(String contractDetails) public void setName(String name)
  • D: public Person getPerson(int id) throws Exception 
    public void createPerson(Person p) throws Exception 
    public void deletePerson(int id) throws Exception 
    public void updatePerson(Person p) throws Exception



Question 10
Which is a key aspect of composition?

  • A: Using inheritance
  • B: Method delegation
  • C: Creating abstract classes
  • D: Implementing the composite interface









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