What is the purpose of the String length() method?

What is the purpose of the String length() method?

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The String length() method returns the number of characters in a specified string. The general form of this length() method is as follows:

int length()

For example, a String is given as follows:

String str="Hello";

Now to obtain the number of characters in str, use the length() method:

str.length();

It will return 5, as this is the number of characters in str.

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