Arraylist to java

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);

Arraylist to java

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

Similar codes

1 vote301 views1 answer
Glide latest version android
Java
0 vote325 views1 answer
Java in terminal
Java
0 vote350 views1 answer
Spring db properties
Java Spring
4 votes318 views4 answers
Java while loop example
Java
0 vote324 views1 answer
Java program to search item from name in class
Java
0 vote323 views1 answer
How to preset an array java
Java
9 votes307 views3 answers
Date to string java
Java
0 vote383 views1 answer
Add image in loggin view spring boot security
Java Spring
1 vote376 views3 answers
How to change checkbox color in android
Java
5 votes313 views4 answers
Java vs kotlin
Java