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

0 vote95 views1 answer
IntStream.generate
Java
1 vote108 views1 answer
Error: cannot find [email protected](
Java
0 vote86 views1 answer
Exception handling and reprompting
Java
0 vote147 views1 answer
Get logged-in user in Spring Security
Java Spring
8 votes122 views1 answer
How to find java version linux
Java
0 vote102 views1 answer
Fragment to fragment
Java
0 vote106 views1 answer
Inline intent to jump new activity
Java
16 votes65 views1 answer
What is java and who made it
Java
0 vote98 views1 answer
XmlRootElement Object to String
Java
0 vote132 views1 answer
Java supress unchecked
Java