2.1_Creating Objects

Question 1

How to declare variables in Java?

Answer 1

{Type} varName;

Question 2

Where fields can be initialized?

Answer 2

Fields can be initialized: 
 o  Inline (At the same line of its declaration)
 o  or via Constructor

Question 3

What is the syntax to declare a Constructor?

Answer 3

o It should matches the class-name

o there’s 👀️⚠️NO return type⚠️👀️.

Question 4

What could be called a fake Constructor?

Answer 4

🤯️⚠️ When you see a method name which matches the name of the class but ❌having a return type❌

🤯️📣️Pay special attention to it. It is not a constructor since there’s a return type.

Question 5

When does the compiler provides the default constructor?

Answer 5

If no other constructors are available in the class, the compiler will supply a “do nothing” default constructor for you.
⚠️(There are some scenarios that do require you declare a constructor.)