Java Programming for Complete Beginners - Java 16 - Java Tip 02 – Blocks

What is the primary purpose of using blocks in programming?

• To make code run faster

• To group statements together for conditional execution

• To ensure code executes in a specific order

• To organize code into reusable components

Which of the following is considered a bad practice when using if conditions?

• Using curly braces for single statements

• Omitting curly braces for single statements

• Using else conditions

• Declaring variables inside the if block

What is a key characteristic of a variable declared inside a block?

• It is only accessible within that block

• It is automatically converted to a constant

• It can be accessed globally

• It can be accessed by any method

Why is it important to use blocks with loops and conditionals?

• To maintain the scope of variables

• To follow good coding practices

• To ensure the code compiles without errors

• To improve the readability of the code

What happens if you try to access a variable outside its block?

• The variable will be set to null

• An error will occur stating the variable cannot be resolved

• The variable will be automatically re-declared

• The program will crash