What is String in Java? Strings in Java are Objects that are backed internally by a char array. Strings are immutable. Whenever a change to a String is made, a brand new String is created. The class String includes methods
Method References in Java8 with examples
What are method references in Java8? Method references are a java8 feature that enables you to do this; they are compact, easy-to-read lambda expressions for methods that already have a name. We use lambda expressions to create anonymous methods. Sometimes,
Top 100 Java programs for beginners | Java programming interview questions
The Java programs are frequently asked in the interview whether you are fresher or Experienced. Java programs are useful for logic building as well as cracking interviews. If you are fresher in Java, we recommend you to read our Java
What is Amazon VPC? | What is Amazon Virtual Private Cloud
Amazon Virtual Private Cloud (Amazon VPC) enables you to launch AWS resources like EC2, EKS, Lambda, Dynamodb, LoadBalancer, Amazon ElastiCache, etc into a virtual network that you’ve created. This virtual network is closely similar to a traditional network that you’d
What is amazon Cognito?
Amazon Cognito is an AWS service where you can add user, sign-up, sign-in, and access control to your web and mobile apps quickly and easily. The main goal of amazon Cognito is to authenticate your user and then grant your
Streams in Java – Asyncster
A sequence of elements supporting sequential and parallel aggregate operations is called as Streams. Stream operations are composed into a stream pipeline. A stream pipeline consists of a source (which might be an array, a collection, a generator function, an