Java list to array

Java array to list

Integer[] spam = new Integer[] { 1, 2, 3 };
List<Integer> list = Arrays.asList(spam);

Source: stackoverflow.com

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 array to list java

/*
Get the Array to be converted.
Create the List by passing the Array as parameter in the constructor of the List with the help of Arrays. asList() method.
Return the formed List.
*/

String[] namedata = { "ram", "shyam", "balram" }; 

List<String> list = Arrays.asList(namedata);

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[]);

Java convert array to list

Integer[] array = new Integer[] {
  23, 54, 12
};

java.util.List<Integer> list = java.util.Arrays.asList(array);
System.out.println(list);

Similar codes

0 vote220 views1 answer
Onbackpressed close the app in android
Java
1 vote139 views1 answer
Java close tcp socket output stream but not socket
Java
0 vote144 views2 answers
Math square java
Java
13 votes138 views3 answers
Junit dependency
Java
0 vote256 views1 answer
Spring boot save file to static folder
Java
1 vote141 views1 answer
Syntax of a constructor in java
Java
0 vote142 views1 answer
Add seconds to today date and time java
Java
0 vote142 views1 answer
Stop countdown timer when exiting an activity
Java
0 vote148 views1 answer
Armstrong Numbers Between Two Integers
Java
1 vote155 views1 answer
Linear layout background color
Java