PreTrainingClassesObjectsMethods

What are Objects?

• Blueprints detailing the states and behaviors of objects

• Any entity with states and behaviors

• A coordinated set of instructions which can return a value or void depending on it's return type

What are Methods?

• Blueprints detailing the states and behaviors of objects

• Any entity with states and behaviors

• A coordinated set of instructions which can return a value or void depending on it's return type

What are classes?

• Blueprints detailing the states and behaviors of objects

• Any entity with states and behaviors

• A coordinated set of instructions which can return a value or void depending on it's return type

It's best practice for all classes to have ____.

• Their own .java file

• A main method

• The final access modifier

• The abstract keyword

The main method has a very particular signature. It must look like ____

• void main(String[] args)

• public static main(String[] args)

• public static void main(String[] args)

What portion of the main method's signature can be changed?

• public static

• void

• main

• String[] args

What is included in a method declaration, but not a method invokation?

• access modifiers

• parameter datatypes

• a code block

• all of the above

In Java, class names should be written in ___, method names should be written in ___.

• camelCase, PascalCase

• PascalCase, camelCase

• snake_case, SCREAMING_SNAKE_CASE

To access a method or variable from within an object, we use ___

• Dot notation

• Square bracket notation

• Parenthesis notation

• up arrow notation

What is a main method?

• The only place we can write code

• The starting point for the program

• The only method we can put in the main class