Basic operation of Array in dart
Dart for beginners part - 2
This blog will cover some basic concept of Array and sets in dart
Dart for beginners part- 1 (about variables)
basically
- Array is used to represent a collection of values. It can have some duplicate values
- Sets also represent a collection of values. But it cannot have any duplicate value with it
Syntax of Sets
only {}
make some difference rest all same like array
syntax of Array
For getting length of the List
For in loop
we can use normal for loop to
Okay let’s get into some basic operation of list
Basic operation in list
To find its Empty or not
.isEmpty
is used, If list have value will return False
otherwise True
.isNotEmpty
is opposite to .isEmpty
To print first index value
.first
is used
For last .last
Note: if array is empty
.first
and.last
will throw error
To add a value
.add("The value want to add")
, Will append in last
To add in specific place
we use .insert(index, "Value")
To remove
.remove(indexplace)
To clear all
.clear()
, will remove all the values in array
To search
To get index of specific value
Last but not least
this Array can also have any data type, Like
To avoid these we need to specify the data type while declaring. Like
concatenating arrays
If condition in Array
condition is true so we get Thor
inside the array,
For loop in the Array
If any mistake or you need to shout me, comments session in always opened
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