Unit Terms 2.3 -2.10

What is null in java?

• A keyword that indicates a reference object doesn’t point to any object data.

• A keyword used to define a variable with no value
• A value that represents an number object

• A reference to a value in an object

Overloading in Java.

• Ability to define multiple methods with the same name and same parameters.
• Ability to define multiple methods with the same name but different parameters.
• Ability to define multiple methods with the same name but different return types.
• Ability to define multiple methods with different names but the same parameters.

What is a method in Java?

• A method in Java is a loop that repeats a block of code.
• A procedure in Java that controls and define how a block of code that performs a specific task.

• A method in Java is a keyword used to declare a class.
• A method in Java is a variable that stores data.

Determines who has access to using the method when writing classes and objects.

• Encapsulation
• Inheritance
• Access modifiers
• Polymorphism

Indicates what type value is being returned from the method

• Calling a method

• Return Type

• Procedural Abstraction

• Method overloading

Which is a call to a method in Java?

• objectName.method

• objectName.method[]

• objectName.method{}

• objectName.method()

The ability to use methods and programs that we do not fully understand, or are unable to write.

• procedural abstraction

• encapsulation
• inheritance
• polymorphism

Return keyword in Java means.

• Skip the current iteration and move to the next one.
• Terminate the program and return an error code.
• Jump to a specific line of code within a method.
• Exit a method and return a value back to the main program

Method overloading

• Multiple methods with different names and different parameters.
• Multiple methods with different names but same parameters.
• Multiple methods with the same name but different parameters
• Multiple methods with the same name and same parameters.

What is scope in Java?

• Scope in Java refers to the color of the program.
• Scope in Java refers to the size of the program.
• Scope in Java refers to the speed of the program.
• Scope in Java refers to the visibility or accessibility of variables, methods, and classes within a program.