Java Test 1

Operators are special symbols that perform specific operations on up to how many operands?

Regarding operator precedence which of the following would be evaluated first?

What is the purpose of the assignment operator?

The + operator performs two operations, which of the following is true?

How many operands do unary operators require?

Regarding conditional operators (ie &&, ||) what does "short circuiting" behavior mean?

What does the instanceof operator do?

A programmer should always chose any input or output stream when done accessing the resource

A(n) _________ comprises variables, operators, and method invocations.

A(n) ________ forms a complete unit of execution to include a terminating semicolon

A(n) ______ declares a variable

What is used in programming to block a group of zero or more executable statements?

What is the purpose of control flow statements?

If a programmer writes a control flow statement using if - else if - else if ... Are they required to include an else leg?

If a programmer writes a control flow statement using switch... Are they required to include a default case label?

Regarding classes, instance variables are ________

Regarding classes, class variables are _______

Local variables store a _____ state

Parameters are different than arguments because parameters are used when ________

Parameters are different than arguments because arguments are used when _________

Variable naming has rules associated with it. Which of the following is true?

In object-oriented terms what is used as a blueprint to model a real-world object?

Object-oriented programming allows for inheritance so commonly used state and behavior can be reused. The class that is inherited from is the _______ and the new class is the _________

How many superclasses can a subclass extend when using inheritance in object-oriented programming using the Java programming language?

When using Inheritance what does the new class inherit when it is derived from another class?

When implementing an interface in object-oriented programming all ________ must be included in the source code for the class to compile

An expression statement forms a complete unit of execution with a terminating semicolon. The following code is a correct example of an expression statement: Game game = new Game();

Does the following code include all required components for a class declaration? Public class NewClass { }

What are the components of a method declaration that comprise the method signature?

Does the following code include all required components for a method declaration? Void thisMethod() { }

Which of the following are types of class member variables?

The object-oriented concept of software reuse allows a class to be created one and used ________

If a class explicitly declares a constructor that takes 0... N parameters when instantiated what happens to the default constructor of the class?

A class that is declared final can be extended or subclasses

When does a method return to the code that invoked it?

Classes that cannot have objects created from them are called what?

An abstract method is a method that is:

A subclass of an abstract class must provide ______ for all abstract methods of the superclass to be considered a concrete class

What is the automatic access modifier of methods and fields of interfaces?

What does the keyword final indicated regarding methods or field members of a class?

If there are an unknown number of parameters being passed to a method a software developer can use a construct called _______

The ternary operator takes three operands and uses the (?:) notation. What control structure does the ternary operator mimic?

Regarding object-orientated programming, declaration means that a variable name is associated with an object type and creates an object of that type

When method parameters have the same name as a class fields this is called _______

When having to programmatically differentiate a parameter having the same name as a field of a class what keyword can resolve this issue with the compiler when setting the field value equal to the argument value passed into the method?

Regarding object-oriented programming, when an object is instantiated the keyword new is used, memory is allocated, and a reference to that memory is returned.

An interface can and should be instantiated

How are primitive and reference data arguments pass into a method?

A method in object oriented programming can return primitive data types, _________, or ____________

The keyword this is used to reference _________

Interfaces and abstract classes can have objects instantiated from them

Operators with higher precedence are evaluated ______ operators with relatively _____ precedence

When defining classes in the Java programming language a software developer can extend _____ superclasses and implement ____ interfaces

A class that uses an explicit constructor invocation uses the keyword this to _____

What a method has a return type other than void what data type can be returned from that method?

Access level modifiers do not define how other classes can reference a field or invoke a method

What allows for methods to have the same name but different method signatures in object-oriented programming?

What differentiates methods with the same name in a class?

A class can have multiple constructors

Encapsulation of class fields hides implementation details. How is encapsulation used to access fields of classes?

In object oriented programming classes, keywords, methods, variables, interfaces, and abstract classes are not case sensitive.

What is a key difference between an if / else if / else and a switch control flow statement?

Regarding file pathing there are two options, absolute and relative. Which of the following statements is true?

Entomophagy is the practice of eating insects and bugs. Which is the world's tastiest insect?