Phrase. How long is a piece of string? (colloquial, often humorous, rhetorical question) Used as a response to a question such as “How long will it take?” or “How big is it?” when the length or size is unknown, infinite, variable, or relative.
How long is a piece of string answer?
How long is a piece of string? A piece of string is
twice the length of that part between the center and either end
!
How long is a piece of string saying Origin?
Ngram indicates that the phrase is relatively recent, at least as recent as the 19th century. The earliest use I could find either in books or periodicals is
from 1885
.
Is a piece of string infinite?
But what appears to be a simple task soon turns into a mind-bending voyage of discovery where nothing is as it seems. An encounter with leading mathematician Marcus du Sautoy reveals that Alan’s
short length of string may in fact be infinitely long
.
How long is a string C++?
When we discuss the length of a string, we’re usually referring to the number of that string’s characters. In C++, string length really
represents the number of bytes used to encode the given string
. Since one byte in C++ usually maps to one character, this metric mostly means “number of characters,” too.
How long is a string Java?
To calculate the length of a string in Java, you can use an inbuilt length() method of the Java string class. In Java, strings are objects created using the string class and the length() method is a public member method of this class. So, any variable of type string can access this method using the . (dot) operator.
How do you reverse a string?
Strings can be reversed using
slicing
. To reverse a string, we simply create a slice that starts with the length of the string, and ends at index 0. The slice statement means start at string length, end at position 0, move with the step -1 (or one step backward).
How do I find the size of a string?
To calculate the length of a string in Java, you can
use an inbuilt length() method of the Java string class
. In Java, strings are objects created using the string class and the length() method is a public member method of this class. So, any variable of type string can access this method using the . (dot) operator.
Which string method helps find length of string?
Java String length() method is used to find out the length of a String. This method counts the number of characters in a String including the white spaces and returns the count.
Does .length start 0 Java?
The indexes of elements in Java (And most other languages)
always start with 0
and continue to the number 1 below the size of the element/number of elements. … Because java indexing arrays from 0. For example “Hello” string’s length is 5. the ‘H’ is the 0.
Can char be converted to string?
We can convert char to String in java using
String. valueOf(char) method
of String class and Character. toString(char) method of Character class.
What does reverse () do in Python?
Python List reverse() Python List reverse() is an inbuilt method in the Python programming language that
reverses objects of the List in place.
What is string reversal?
A string is an ordered sequence of data, often made up of characters, used in the computer science industry. Reversing strings of data is a task that is often needed done, no matter what the programming language being used is. This process involves
reversing the order of characters in a string of text
.
Which function is used to reverse a string?
The
strrev() function
is used to reverse the given string.
Why are strings immutable in Java?
The String is immutable in Java because
of the security, synchronization and concurrency, caching, and class loading
. The reason of making string final is to destroy the immutability and to not allow others to extend it. The String objects are cached in the String pool, and it makes the String immutable.
