2.2_Executing Instance Initializer Blocks

Question 1

What are Java code blocks?

Answer 1

Block of code in Java allows grouping of two or more statements.

Question 2

How to define a block code?

Answer 2

By using curly braces.

{ statements }

Question 3

What blocks of code are defined within Java?

Answer 3

o  Class declaration/definition
o  Instance
o  Method declaration/definition
o  Initializers
o  Inner blocks
...

Question 4

What could cause a compilation error when defining a block code?

Answer 4

o Unbalanced curly braces

o Don’t finish properly its statements with a semi-colon

Question 5

Difference between instance initializers and inner blocks?

Answer 5

• > initializers are declared outside any method but defined within a class definition.
  • > inner blocks are block-codes defined within a method aka. “fields initializers”