findFirst() and findAny() are methods in the Stream interface in Java that are used to find the first or any element in a stream that matches a given condition. Java8…
All of the below methods produce the same result of joining the elements of the List into a single String with space as a delimiter. Using Collectors.joining: In Java, you…
We can implement a custom class that behaves like an array by creating a class that has an array as a private field, and implements the necessary methods to access…
In the context of Java 8 streams, a pipeline refers to a sequence of operations that are performed on a stream. The pipeline is created by chaining together intermediate operations,…
In Java 8, streams use a technique called “lazy evaluation” to process data. Lazy evaluation means that a stream operation is not executed until it is absolutely necessary. This can…
In this post, we will see Java8 Streams Interview questions. What is the difference between a Stream and a Collection in Java 8 Stream represents a sequence of elements and…
In this post, we will learn about java8 method reference operator in Java Method Reference (:: Operator) “::” operator in Java 8 is known as the Method Reference operator Method…
In this post, we will learn various ways of converting input stream to String In this example, we will see that InputStream will be converted to String using java8 streams…
In this post, we will see how to convert list of Users to employees in java8 way. In the following examples, we can use the below approaches: Using conversion function…
Lambda expressions are a concise way of representing anonymous functions in Java 8 and later. A lambda is an anonymous function They can be used to pass behavior as a…
