What is a single IF ELSE statement?

What is a single IF ELSE statement?

The single-line form of If…Then… Else is often useful for short, simple conditional tests. The thenpart is executed if condition is true; if condition is false, then elsepart is executed. If the Else clause is not present, control passes to the next statement in the program.

How do you create an IF ELSE statement?

Conditional Statements

1. Use if to specify a block of code to be executed, if a specified condition is true.
2. Use else to specify a block of code to be executed, if the same condition is false.
3. Use else if to specify a new condition to test, if the first condition is false.

Can we write only if statement without else?

You can use if statement without else.

Can we write only if statement?

In imperative languages like Java and C, if – else is a statement and does not return a value. So you can happily write only the if part and go on.

When to use an IF statement inside another else statement?

If the number is less than 0, the code inside the else if block is executed. Otherwise, the code inside the else block is executed. Sometimes, we need to use an if statement inside another if statement. This is known as nested if statement. Think of it as multiple layers of if statements.

What is the syntax of if else in C + +?

There are three forms of if…else statements in C++. The syntax of the if statement is: The if statement evaluates the condition inside the parentheses ( ). If the condition evaluates to true, the code inside the body of if is executed. If the condition evaluates to false, the code inside the body of if is skipped.

What is the syntax of the if statement?

The if statement can have an optional else clause. Its syntax is: if (condition) { // block of code if condition is true } else { // block of code if condition is false }. The if..else statement evaluates the condition inside the parenthesis. Working of C++ if…else.

When do you not need an IF statement?

An if statement looks at any and every thing in the parentheses and if true, executes block of code that follows. If you require code to run only when the statement returns true (and do nothing else if false) then an else statement is not needed.