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

21 votes321 views2 answers
System.out.print
Java
0 vote320 views1 answer
How to strip spaces in java using split with other delimiters
Java
12 votes317 views5 answers
Initialize hashmap with values
Java
1 vote350 views1 answer
How to filter data in java
Java
2 votes332 views1 answer
Mapping int to int (in Java)
Java
0 vote318 views1 answer
Error message pushes button down
Java
0 vote349 views1 answer
Priority scheduling in java
Java
0 vote326 views1 answer
Spring boot intellij auto reload
Java
4 votes324 views3 answers
Java get element occurrences in a list java
Java
2 votes328 views1 answer
Com.android.builder.dexing.DexArchiveMergerException:
Java