Can the body of do while statement be empty?

The body of the while (or any other of Java’s loops) can be empty. This is because a null statement (one that consists only of a semicolon) is syntactically valid in Java.

Can a while loop have an empty body?

6 Answers. @Péter Yes, and that empty statement is called a ‘null statement’. Applies to ‘while’ statements as well.

Is while () valid in C?

Yes, it’s valid.

Can you have an empty for loop C++?

Both clause-1 and expression-3 can be omitted. An omitted expression-2 is replaced by a nonzero constant. The specification allows expression-2, the condition of the loop, to be omitted and is replaced by a nonzero constant. This means that the for loop will continue to execute indefinitely.

Can you have a while loop without condition?

At the beginning of while loop we can see that while(*str) is initiated without any condition, which means it is not mentioned that when the *str should stop on null or ‘\0’ .

Do While VS while C?

while loop vs. while loop in C/C++…Output.

While Loop	Do-While Loop
This is entry controlled loop. It checks condition before entering into loop	This is exit control loop. Checks condition when coming out from loop
The while loop may run zero or more times	Do-While may run more than one times but at least once.

What does an empty for loop do in C?

An empty loop is a loop which has an empty body, e.g. Infinite for loop is a loop that works until something else stops it.

What is while true in Java?

while loops use only Boolean expression and when it is true. So when it gets true it’ll execute until it gets false. while(false) means the condition is false which will end the loop. while(True) means the condition is True which will continue the loop.

Why is empty loop used?

An empty loop contain only one empty statement. They are mostly used to produce time breaks. for(int a=0;a<10;a++); An infinite loop on the other hand continues forever.

Which segment of a for loop can be left blank?

A for loop is allowed to have all three segments left blank. In fact, for(;;) {} is an infinite loop.

What happens if there is no condition in for loop in C?

This loop will run as infinitely. …