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Tag Archives: Java-Stream-programs

A stream is a sequence of objects that supports various methods which can be pipelined to produce the desired result. Slice of a Stream means… Read More
Given an array of N elements and an element K, find the index of an array element in Java. Examples:  Input: a[] = { 5, 4,… Read More
Iterators, in Java, are used in Collection Framework to retrieve elements one by one. A stream in Java is a pipeline of objects from an… Read More
Given two arrays of the same type, they need to be merged into a new object array. The task is to merge the two arrays… Read More
Introduction to Stream, Java Intstream, Java Longstream, Java Doublestream anyMatch() noneMatch() mapToLong() findAny() forEachOrdered() forEach() allMatch() filter() findFirst() flatMapToInt() mapToInt() map() peek() counting() Iterator() Generate()… Read More
Prerequisite : Stream In Java Using Arrays.stream() : Syntax : public static <T> Stream<T> getStream(T[] arr) { return Arrays.stream(arr); } where, T represents generic type.… Read More
Below given are some methods which can be used to convert Stream to Set in Java. Method 1 : Using Collectors Stream collect() method takes… Read More
Set interface extends Collection interface and Collection has stream() method that returns a sequential stream of the collection. Below given are some examples to understand… Read More
We generally iterate through the list when adding integers in a range, but java.util.stream.Stream has a sum() method that when used with filter() gives the… Read More
Given a list (ArrayList or LinkedList), convert it into a set (HashSet or TreeSet) of strings in Java. Method 1 (Simple) We simply create an… Read More
Given a set (HashSet or TreeSet) of strings in Java, convert it into a list (ArrayList or LinkedList) of strings. Input : Set hash_Set =… Read More
Given an array of elements of integers or long data type, you need to check if a given key is present in this array using… Read More
I/O Stream A stream is a method to sequentially access a file. I/O Stream means an input source or output destination representing different types of… Read More