Menu
How we can check any string that contains any character how may time.... example: engineering is a string contains how many times 'g' in complete string
210
Use the count() Function to Count the Number of a Characters Occuring in a String in Python. We can count the occurrence of a value in strings using the count() function. It will return how many times the value appears in the given string.
Use the String. includes() method to check if a string contains a character, e.g. if (str. includes(char)) {} . The include() method will return true if the string contains the provided character, otherwise false is returned.
You can use contains(), indexOf() and lastIndexOf() method to check if one String contains another String in Java or not. If a String contains another String then it's known as a substring. The indexOf() method accepts a String and returns the starting position of the string if it exists, otherwise, it will return -1.
Let's start with a simple/naive approach: String someString = "elephant"; char someChar = 'e'; int count = 0; for (int i = 0; i < someString. length(); i++) { if (someString. charAt(i) == someChar) { count++; } } assertEquals(2, count);
I know this is and old question, but there is an option that wasn't answered and it's pretty simple one-liner:
int count = string.length() - string.replaceAll("g","").length()
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
