Why is it important to test for invalid input for the initial sentinel value when using while loops?
Types of Loop
Loops are the elements of programming in which a part of code is repeated a particular number of times. Loop executes the series of statements many times till the conditional statement becomes false.
Loops
Any task which is repeated more than one time is called a loop. Basically, loops can be divided into three types as while, do-while and for loop. There are so many programming languages like C, C++, JAVA, PYTHON, and many more where looping statements can be used for repetitive execution.
While Loop
Loop is a feature in the programming language. It helps us to execute a set of instructions regularly. The block of code executes until some conditions provided within that Loop are true.
Why is it important to test for invalid input for the initial sentinel value when using while loops?
Sentinel value is an uncommon worth used to end a sentinel-controlled circle. In a sentinel-controlled circle, it is obscure how frequently the circle will repeat through the circle body. A sentinel esteem is picked chiefly from ill-conceived information and it guarantees that the circle will end in the event that it is given as info. An illustration of sentinel worth would be "- 1" for testing non-negative numbers.
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