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

3 votes184 views1 answer
Writing to a text file java
Java
5 votes167 views1 answer
How to make javafx full screen default
Java
0 vote191 views1 answer
Copy and deletion of div by pressing button in javasript
Java
13 votes235 views2 answers
Java version command
Java
0 vote180 views2 answers
Calculate number of weeks between two dates
Java
0 vote190 views1 answer
List of tuple to map + jpa
Java
0 vote195 views1 answer
Exception handling and reprompting
Java
7 votes187 views1 answer
How to remove all whitespace from string java
Java
0 vote239 views1 answer
ClassCastException Casting toArray() method
Java
0 vote181 views1 answer
Https://www.baeldung.com/java-stream-findfirst-vs-findany
Java