Methods to Convert String to Long

Illustration of the Conversion String to Long

Input : String = “20”Output : 20 Input : String = “999999999999”Output : 999999999999...

Methods to Convert String to Long

There are many methods for converting a String to a Long data type in Java which are as follows:...

1. Using Long.parseLong() method of Long Class

Long.parseLong() method is a method in which all the characters in the String must be digits except the first character, which can be a digit or a minus ‘-‘....

2. Using valueOf() Method of Long Class

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3. Using Constructor of Long Class

The valueOf() method of the Long class is a method that converts the String to a long value. Similar to parseLong(String) method, this method also allows minus ‘-‘ as a first character in the String....