May 13, 2009 · List<String> list = new ArrayList<>(); This is how to create a LinkedList in java, If you need to do frequent insertion/deletion of elements on the list, you should use LinkedList …

Aug 5, 2014 · For the Consumer, this code passes in a method reference (Java 8 feature) to the pre-Java 8 method List.addAll to add the inner list elements sequentially. Appends all of the …

How do I convert an array to a list in Java? I used the Arrays.asList() but the behavior (and signature) somehow changed from Java SE 1.4.2 (docs now in archive) to 8 and most …

I am searching for the shortest way (in code) to initialize list of strings and array of strings, i.e. list/array containing "s1", "s2", "s3" string elements.

Aug 2, 2013 · Is there a way to create a list of primitive int or any primitives in java No you can't. You can only create List of reference types, like Integer, String, or your custom type. It seems I …

Nov 15, 2012 · List is an Interface, you cannot instantiate an Interface, because interface is a convention, what methods should have your classes. In order to instantiate, you need some …

Mar 29, 2011 · We have Collections.EMPTY_LIST but it is not typed, which shows an eclipse warning. How do I set an empty list of a certain type.

Now java 9 has factory Methods for Immutable List, Set, Map and Map.Entry . In Java SE 8 and earlier versions, We can use Collections class utility methods like unmodifiableXXX to create …

Jan 14, 2013 · List<SomeBean> newList = new ArrayList<SomeBean>(otherList); Note: still not thread safe, if you modify otherList from another thread, then you may want to make that …

May 20, 2015 · I need to convert mutable list object to immutable list. What is the possible way in java?