Apr 10, 2024 · 2 min read · What is Flutter SDK ? The Flutter SDK (Software Development Kit) is a framework developed by Google for building cross - platform mobile applications. it provides a complete set of tools, libraries, and resources to create native - like user inter...
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Mar 14, 2024 · 1 min read · Dart extensions allow you to add new functionality to existing classes, including classes that you don't have access to modify. Example: extension StringExtension on String { int customLength() { return this.length * 2; } } void main() { ...
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Mar 13, 2024 · 1 min read · Strings validation : In dart string validation is check to your string field email is correct or incorrect email a email is correct to your answer is true and email is not correct to answer is false in String filed is checked Example: void main() {...
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Mar 13, 2024 · 1 min read · What is Loop? A loop is used in Dart or any other programming language to repeat a sequence of commands a given number of times or until it satisfies a condition. Exapmle: void main() { int i; for (i = 2; i <= 1024; i *= 2) { ...
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Mar 13, 2024 · 1 min read · What is RegExp? Regular expressions are Patterns, and can as such be used to match strings or parts of strings. Regex in Dart works much like other languages. You use the RegExp to define a matching pattern. Then use hasMatch() to test the pattern ...
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Mar 13, 2024 · 1 min read · contains: The contains method is used to check if a given element is present in a list. It takes one argument, which is the element to be searched for in the list. If the element is found in the list, the method returns true.Otherwise, it returns fa...
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Mar 13, 2024 · 1 min read · StartWith: A startWith() is in string a start is check your sentence is your word and character is ok to use character check. Example: void main() { String str = "Hello World!"; print(str.startsWith('H')); } Output: true EndWith: your ...
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Mar 13, 2024 · 1 min read · Trimming: You can remove in String Whitespace in to use function trim() , Right side to remove String Whitespace in to use function trimRight() , Left Side to remove String white space in to use function trimLeft() . void main(){ String str = "...
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Mar 13, 2024 · 1 min read · StringBuffer: A StringBuffer is use to multiple data add in one string to use and StringBuffer is provide multiple sequence characters. void main() { StringBuffer str =StringBuffer(); str.write("Hello"); str.write(","); s...
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