As we all know Double data type is like parent of Float data type. In current programming arena most of developers use Double data type as place of Float data type. Dart gives us a inbuilt function named as double.parse(String) which is used to convert String numbered value to Double…
In dart there is a inbuilt function named as _isNumeric() which is Boolean type return value function. Using the _isNumeric(String) function we can easily check whether the entered value in TextField widget is numeric or not. The _isNumeric() function would return true if the value is numbered and return false…
In Dart there are two inbuilt functions available to convert any type of string text to lower case and upper case using String.toLowerCase() and String.toUpperCase() function. These functions would directly apply on String and convert them to upper case and Lower case. In this tutorial we would create 2 functions…
String Concatenation is used to marge two or multiple string into single string. As we all know string a group of multiple characters with no limit in all programming language. In Dart combing two string into single string is very easy by using Plus ( + ) symbol. All we…
