Java arraylist to array

List<String> list = new ArrayList<>();
list.add("a");
list.add("ab");
list.add("abc");
list.add("abcd");
// convert
String[] array = list.toArray();

Convert arraylist to array in java

Integer[] arr = new Integer[al.size()]; 
  
        // ArrayList to Array Conversion 
        for (int i = 0; i < al.size(); i++) 
            arr[i] = al.get(i);

Java list to array

List<Foo> list = new ArrayList<>();
Foo[] array = list.toArray(new Foo[0]);

Source: stackoverflow.com

Arraylist to array java

ArrayList<String> ArrayLister=new ArrayList<>(){ArrayLister.add("Hi")};
String[] array=ArrayLister.toArray(String[]);

Arraylist to java

You can only use the to array method if you convert to any object type.

Similar codes

0 vote147 views1 answer
Change brightness of image in java
Java
1 vote137 views1 answer
Java jcombobox itemlistener only if value changed
Java
0 vote144 views1 answer
Mongodb check if field exists java
Java
1 vote102 views1 answer
Java trim string to length
Java
0 vote142 views1 answer
First character string number java
Java
0 vote155 views1 answer
Extract html tag using regex
Java
3 votes139 views1 answer
Regular expression java
Java
0 vote146 views1 answer
Java bild skalieren bufferedimage
Java
0 vote140 views1 answer
How to return array in java
Java
6 votes138 views3 answers
How to call parameterized constructor of a Parent class in Inheritance
Java