JAVA SINGLETONLIST EXAMPLE CODE DEMO | WHEN TO USE JAVA SINGLETONLIST CODE DEMO | InterviewDOT

Опубликовано: 22 Июнь 2021
на канале: Interview DOT

823

#JAVACODE #JAVAEXAMPLE #JAVACODEEXAMPLE #JAVASINGLETONLIST #JAVASINGLETONLISTDEMO

Click here - / @interviewdot to get notifications.

JAVA SINGLETONLIST EXAMPLE CODE DEMO | WHEN TO USE JAVA SINGLETONLIST CODE DEMO | InterviewDOT

Ultimately, for Java 8 and earlier, Collections::singletonList is the best approach for creating a single-element list in a single line of code.

What is singletonList in Java?
The singletonList method of java. util. Collections class is used to return an immutable list containing only the specified object. ... When we try to add/remove an element on the returned singleton list, it would give UnsupportedOperationException

The singletonList method of java.util.Collections class is used to return an immutable list containing only the specified object. The returned list is serializable. This list will always contain only one element thus the name singleton list. When we try to add/remove an element on the returned singleton list, it would give UnsupportedOperationException.

This method returns an immutable list containing only the specified object.