Understand Java APIs & Libraries – Learn about Streams, Lambda expressions, and Java 8+ features. Work on Real-World Projects – Build small applications using JDBC, Servlets, and Spring Framework. Prepare for Common Interview Questions – Revise Java memory management, JVM internals, and design ...
Lambda expressions, functional interfaces, Stream API, default methods in interfaces, Optional class, and new Date and Time API (java. time`). 35) Tell about design patterns which you used in your project? Commonly used patterns are Singleton,Factory, and Strategy (adjacent interchangeable algor...
Can Lambda functions run on a timed schedule? Yes, you can use scheduled expressions for rules in EventBridge to trigger a Lambda function. This format uses cron syntax and can be set with a one-minute granularity. See this tutorial for an example. How can a Lambda function retain state be...
Functional interfaces and Lambda Expressions Java Stream API for collection classes Java Date Time API I strongly recommend to go through above links to get proper understanding of each one of them, also readJava 8 Features. 8. Name some OOPS Concepts in Java? Java is based on Object Oriented...
Lambda expressions are independent of classes and can be used alone. 11) A type interface: what is it? Even previous Java versions had a type interface. The method invocation and accompanying declaration are examined by the compiler at compilation time in order to determine the type of argument...
It is very helpful when used with lambda expressions because its argument Consumer is a function interface. Miscellaneous Collection API improvements such as forEachRemaining(Consumer action) method in Iterator interface, Map replaceAll(), compute(), merge() methods. What is Java Collections Framework...
A child object constructor always first needs to construct its parent. In Java it is done via an implicit call to the no-args constructor as the first statement. 198. Can a double value be cast to a byte? Yes, a double value can be cast to a byte. ...
Yes, string interpolation is possible in TypeScript, and it is also known as template literals or template strings. It allows you to embed expressions within string literals, using backticks (`) instead of single or double quotes. To include a variable or expression within the string, use the...
The total number of characters in all test cases will not exceed 106.Lambda ExpressionsSolve ProblemWrite the following methods that return a lambda expression performing a specified action:PerformOperation isOdd(): The lambda expression must return true if a number is odd or false if it is even...
79 Tell me the benefit of using Java8 lambda expressions? 80 What is a predicate in java? 81 How to create a singleton class? 82 Do you know the marker interface? 83 When do you use serialization? 84 What is a materialized view in java? 85 What is NFR? 86 What is the Resiliency ...