Online Access Free 1Z0-815 Exam Questions

What is the result?
Class StaticField {
static int i = 7;
public static void main(String[] args) {
StaticFied obj = new StaticField();
obj.i++;
StaticField.i++;
obj.i++;
System.out.println(StaticField.i + " "+ obj.i);
}
}

• A.7 10
• B.8 9
• C.10 10
• D.9 8

What is the proper way to defined a method that take two int values and returns their sum as an int value?

• A.int sum(int first, second) { return first + second; }
• B.void sum (int first, int second) { return first + second; }
• C.int sum(int first, int second) { first + second; }
• D.sum(int first, int second) { return first + second; }
• E.int sum(int first, int second) { return first + second; }

Which two describe reasons to modularize the JDK? (Choose two.)

• A.improves security and maintainability
• B.easier to understand the Java language
• C.easier to build a custom runtime linking application modules and JDK modules
• D.easier to expose implementation details
• E.improves application robustness

Given:

Which two allow a.Mainto allocate a new Person? (Choose two.)

• A.In Line 1, change the access modifier to private
  private Person() {
• B.In Line 1, change the access modifier to public
  public Person() {
• C.In Line 2, change the access modifier to protected protected class Main {
• D.In Line 2, add extends Person to the Main class
  public class Main extends Person {
  and change Line 3 to create a new Main object
  Person person = new Main();
• E.In Line 1, remove the access modifier
  Person() {

Which two are benefits of polymorphism?

• A.More dynamic code at runtime
• B.Faster code at runtime
• C.More efficient code at runtime
• D.More flexible and reusable code
• E.Code that is protected from extension by other classes