Online Access Free 1z1-808 Exam Questions

Which is true about the switch statement?

• A.The break statement, at the end of each case block, is optional.
• B.Its case label literals can be changed at runtime.
• C.It must contain the default section.
• D.Its expression can evaluate to a collection of values.

View the Exhibit.
public class Hat {
public int ID =0;
public String name = "hat";
public String size = "One Size Fit All";
public String color="";
public String getName() { return name; }
public void setName(String name) {
this.name = name;
}
}
Given:
public class TestHat {
public static void main(String[] args) {
Hat blackCowboyHat = new Hat();
}
}
Which statement sets the name of the Hat instance?

• A.Hat.setName("Cowboy Hat");
• B.blackCowboyHat.setName("Cowboy Hat");
• C.blackCowboyHat.setName = "Cowboy Hat";
• D.setName("Cowboy Hat");

Which three statements are benefits of encapsulation?

• A.allows a class implementation to change without changing t he clients
• B.protects confidential data from leaking out of the objects
• C.enables multiple instances of the same class to be created safely
• D.permits classes to be combined into the same package
• E.prevents code from causing exceptions
• F.enables the class implementation to protect its invariants

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.9 8
• B.8 9
• C.10 10
• D.7 10

Given:

Which two actions, used independently, will permit this class to compile?

• A.Adding throws IOException to the doSoomething() method signature
• B.Adding throws IOException to the main() method signature and to the dosomething() method
• C.Adding throws IOException to the main() method signature
• D.Adding throws IOException to the main() method signature and changing the catch argument to IOException
• E.Adding throws IOException to the dosomething() method signature and changing the catch argument to IOException