java insert into arraylist
ArrayList<Integer> str=new ArrayList<Integer>();
str.add(0);
str.add(1);
// Result = [0, 1]
str.add(1, 11);
// Result = [0, 11, 1]java insert into arraylist
ArrayList<Integer> str=new ArrayList<Integer>();
str.add(0);
str.add(1);
// Result = [0, 1]
str.add(1, 11);
// Result = [0, 11, 1]ArrayList add(int index, E element) method in java
import java.util.ArrayList;
public class ArrayListAddMethodExample
{
public static void main(String[] args)
{
// creating an empty ArrayList with initial capacity
ArrayList<Integer> al = new ArrayList<Integer>(6);
al.add(12);
al.add(14);
al.add(16);
al.add(18);
al.add(20);
// adding element 15 at fourth position
al.add(3, 15);
for(Integer number : al)
{
System.out.println("Number: " + number);
}
}
}append to arraylist by index java
arrlist.add(2,25);
// .add(index, content)Copyright © 2021 Codeinu
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