java.lang.UnsupportedOperationException

Jay

Asked on May 26, 2013

Hi friends, I am adding element in the list returned by Collections.nCopies and got below error.

Any clue?

Exception in thread "main" java.lang.UnsupportedOperationException

at java.util.AbstractList.add(Unknown Source)

Bob11

Replied on May 26, 2013

The List in which you are adding the content are immutable. The list are immutable if returned by

Collections.nCopies and Collections.emptyList

Write Answer

[Java 11] java.lang.ClassNotFoundException: com.sun.xml.internal.bind.v2.ContextFactory
Difference between LocalDateTime and Instant in Java
What is Epoch time in Java?
CLASSPATH vs MODULEPATH in Java
How to format LocalDate in Java?
Java 10 New Features
Exception in thread "main" java.time.temporal.UnsupportedTemporalTypeException: Unsupported unit: Seconds
Java 9 New Features
Caused by: java.lang.ClassNotFoundException: java.util.concurrent.Flow$Subscriber
javax.xml.bind.UnmarshalException
Java CompletableFuture vs CompletionStage
Java CompletableFuture vs Future
Oracle Certification Study Material and Tips
Java 9 src.zip for Source Code
org.codehaus.jackson vs com.fasterxml.jackson.core
How to use Stream empty() method in java 8
Difference between Java BigDecimal and Double
Difference: Java 8 stream reduce vs collect
Could u plz any body write the code for "generating Bar Code"using java
How to find an object in a List by property using Java 8
Caused by: com.fasterxml.jackson.databind.JsonMappingException: No suitable constructor found for type: can not instantiate from JSON object
java program to shutdown computer
how many ways to create thread in java
Java thread and applet is not running in eclipse
java.rmi.ConnectException: Connection refused to host- Java RMI
how to write a string in a file in java
How to use Sequencer, MidiEvent and ShortMessage to play sound in java
constructor with same argument is possible in java?
tomcat-users.xml reset after restart the server
example of hasCode() method in java

Latest Forum Post

RestTemplate postForLocation() vs exchange() (Spring)
RestTemplate postForEntity() vs exchange() (Spring)
RestTemplate postForObject() vs exchange() (Spring)
RestTemplate getForEntity() vs exchange() (Spring)
RestTemplate getForObject() vs exchange() (Spring)

Top Trends

Angular Radio Button and Checkbox Example

Angular Pattern Validation Example

Angular minlength and maxlength Validation Example

Angular Select Option Set Selected Dynamically

Angular Material Select Change Event

java.lang.UnsupportedOperationException

Write Answer

Related Post

About Us

Mobile Apps