What is a block or compound statement?

What is a block or compound statement?

A compound statement (also called a block, or block statement) is a group of zero or more statements that is treated by the compiler as if it were a single statement. Blocks begin with a { symbol, end with a } symbol, with the statements to be executed being placed in between.

What is a compound statement?

A compound statement (also called a “block”) typically appears as the body of another statement, such as the if statement. Declarations and Types describes the form and meaning of the declarations that can appear at the head of a compound statement.

What is a block statement?

A block statement is a sequence of zero or more statements enclosed in braces. In some situations, you can use only one statement. If you want to use more than one statement in those situations, you can create a block statement by placing all your statements inside braces, which would be treated as a single statement.

What is an example of compound statement?

A com- bination of two or more simple statements is a compound statement. For example, “It is snowing, and I wish that I were out of doors, but I made the mistake of signing up for this course,” is a compound statement.

How is a compound statement written?

A compound statement is simply a group of statements surrounded by curly braces. It can be used anywhere that a simple statement can be used to make a group of statements into a single entity. In the example above, the three assignment statements form a compound statement because they are enclosed in the curly braces.

What is compound statements in C++?

A compound statement is a sequence of zero or more statements enclosed within curly braces. Compound statements are frequently used in selection and loop statements. They enable you to write loop bodies that are more than one statement long, among other things. A compound statement is sometimes called a block.

What is the difference between a statement and compound statement?

There are two types of statement: simple and complex, or compound. A simple statement is one that does not contain another statement as a component. A compound statement contains at least one simple statement as a component, along with a logical operator, or connectives.

What is the difference between a statement and a block?

The if statement itself is just that, a control flow statement. If the statement is evaluated to true it executes the statement, or block after it. In other words, the block after an if is not required if you just wanted to execute a single line of code.

What is the main purpose of using blocks?

A block creates a const copy of any local variable that is referenced inside of its scope. Before blocks, whenever you wanted to call some code and have it call you back later, you would typically use delegates or NSNotificationCenter.

Which of the following will create a block in compound statement?

Hey buddy the correct answer is ( b ) indented statements .

How are compound statements created in C?

A compound statement is a list of statements enclosed by braces. The fall-through feature of the C switch statement, (that is, when there is no break between a code segment and the next case statement) must be commented for future maintenance.

What is a block in CPP?

A block is a logically connected group of program statements that is treated as a unit. In C++, a code block is created by placing a sequence of statements between opening and closing curly braces. In C++ the target of most commands can be either a single statement or a code block.