1. Count the Characters from a String 2. Convert character into lower case 3. Count the unique letters 4. Extract all words starting with a
Category: Core Java
End to End implementing ideas about Core Java with Relevant Examples in it to make it interesting and crisp in understanding.
Inversion of Control (IoC) is a principle in software design where the control of object creation and dependency management is inverted from the class itself
The SOLID principles in Java (and object-oriented programming in general) are five design principles that help developers create scalable, maintainable, and robust code. Each letter
In Java, a singleton class is a class that allows only one instance of itself to be created and provides a global access point to
In Java, both Callable and FutureTask are related to asynchronous computation, but they serve different roles: Callable Example of a Callable: FutureTask Example of a
In Java, Predicate, Supplier, and Consumer are functional interfaces commonly used in lambda expressions and the Stream API. Each has a distinct purpose and is
The Optional class in Java was introduced in Java 8 to handle potential null values more safely and reduce NullPointerExceptions. Optional is a container object
CompletableFuture in Java is a powerful class introduced in Java 8 as part of the java.util.concurrent package. It represents a Future that can be completed
In Java, you can create a synchronization class using various mechanisms to ensure that multiple threads can safely access shared resources without causing inconsistencies. The
The Builder Design Pattern is a creational design pattern used to construct complex objects step by step. It allows the creation of an object by