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 vote217 views2 answers
Prevent screen from turning off android
Java
0 vote237 views4 answers
His version of the Android Support plugin for IntelliJ IDEA (or Android Studio) cannot open this project, please retry with version 4.2 or newer.
Java
-1 vote247 views2 answers
Static class java
Java
0 vote236 views1 answer
How todo a timeout test java
Java
0 vote236 views1 answer
What can you do with java
Java
0 vote245 views1 answer
SetupActionBarWithNavController problem
Java
0 vote243 views2 answers
Quick way to get charAt
Java
0 vote320 views1 answer
How to scroll down chrome browser in selenium java
Java
0 vote273 views1 answer
Isblank vs isempty java string utils
Java
0 vote280 views1 answer
Como crear objeto java
Java