Java Gists

The Set is also an interface in the 'Java Collection' framework. Unlike a List, a Set does not allow duplicates. Hence you can use a Set to eliminate the duplicates in a List. There are several ways in which you can use a Set to eliminate duplicates as...

Java 8 has added the Stream API that helps to easily perform bulk operations on Collections. A new method called stream() has been added to all the collection interfaces that returns a Stream corresponding to the underlying collection. There is a toArray method available on the Stream interface that can...

The simplest way to remove duplicates from a 'List' is to use a for-loop. The following code snippet demonstrates this method. First, the code creates a new ArrayList to store the output, i.e. a List without duplicates. A for-loop is then used which iterates through the input List. It first...

The simplest way to convert a List to an array is to use a for-loop. The following code snippet demonstrates this method. First, the code creates an Array based on the number of elements in the input List. A for-loop is then used which iterates through the input List and...