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

5 votes246 views2 answers
Java create inputstream from string
Java
0 vote246 views1 answer
Java print default options
Java
5 votes261 views1 answer
Java cast bolean to int
Java
8 votes314 views1 answer
How to see java version in windows 10
Java
1 vote259 views1 answer
Java unit test an api
Java
0 vote259 views1 answer
Get number value of an output to another script java
Java
0 vote272 views1 answer
Add seconds to today date and time java
Java
1 vote275 views2 answers
Javafx every second
Java
4 votes255 views1 answer
Find difference in days between two dates java
Java
0 vote250 views1 answer
Java memory increase command
Java