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 vote236 views1 answer
Save SQLite returned data to an object list
Java
1 vote233 views1 answer
Java string count
Java
0 vote246 views1 answer
Java 8 stream option
Java
0 vote214 views1 answer
Get device token firebase
Java
1 vote233 views1 answer
Initialize applet in java
Java
0 vote247 views1 answer
Pass a list of string as PathVariable to api spring boot
Java
0 vote234 views2 answers
Hibernate onetone with mapsid
Java
3 votes246 views2 answers
Firebase auth dependency
Java
0 vote254 views1 answer
What is return method in java
Java
6 votes217 views1 answer
Java create a set with values
Java