Understanding Modules Describe the Modular JDK Declare modules and enable access between modules Describe how a modular project is compiled and run Migration to a Modular Application Migrate the application…
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…
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 Java, a String is an immutable object that represents a sequence of characters. It means once a String is created, its value cannot be changed, any operation that appears…
What is the difference between an interface and an abstract class in Java? In Java, an interface and an abstract class are both used to define a contract for classes…
1. Grouping a list of articles by their category and then sorting them by their title: 2. Finding the most frequent element in a list of log entries: 3. Summing…
Java 8 introduced the Stream API, which allows you to perform functional-style operations on collections of data. Here are some examples of using the Stream API: 1. Filtering a list…
In this tutorial, we will learn ThreadPool Example. Lets say, Application needs to send 1000 of email as part of nightly job. In this case, Thread Thread is a Simple…
Question1: Which URL represents an invalid approach to pass a parameter to a REST resource? A. /Employees?value=1B. /Employees&value=1C. /Employees/1D. /Employees;value=1 Answer: D Question2: Given the following servlet configuration: <servlet-mapping> <servlet-name>firestServlet</servlet-name>…
Question1: Your customer has defined three business units: two of the them require the same set of receivables payment terms whereas the third needs a separate set of receivables payment…
