Find the First Non-Repeated Character in a String,Problem: Given a string, find the first character that does not repeat. Example: Input: 'swiss' Output: 'w' Hint: Use a LinkedHash...

Implementing Linked Lists in Python,Generally, when studying data structures, we usually start with two types of common data structures: contiguous and linked. Each of them comes w...

Implementing Heap In Python,Heap is an elegant data structure that is commonly used for Priority Queue implementation. Priority Queue is an abstract data structure, defines the beh...

Collections.nCopies method in Java,For Explanation watch video The Collections.nCopies method in Java is used to create an immutable list consisting of the same object repeated a s...

Algorithm to determine if brackets are balanced,I start to post a serie of algorithms for help us, I learn the code, english and reinforce about this. And I expected to help you an...

Shifting Non-Zero Values Right : A Common Array Interview Problem-2, Array Interview Essentials (3 Part Series) 1 Understanding Array Basics in Java: A Simple Guide 2 Shifting Non-...

Shifting Non-Zero Values Left: A Common Array Interview Problem-1, Array Interview Essentials (3 Part Series) 1 Understanding Array Basics in Java: A Simple Guide 2 Shifting Non-Ze...

Java Collections Scenario Based Interview Question, Finding Duplicates in a List Question: You have a list of integers, and you want to find any duplicates in that list. Which coll...

Collections.max() method in Java, The Collections.max method is part of the Java Collections Framework and is used to find the maximum element in a given collection. It can determi...

how to call delete method using RestTemplate Spring Boot, Producer app EmployeeController package com.example.demo.controller; import org.springframework.http.HttpStatus; import or...

Why is 'main' function static?,The main() method is defined as static because static methods belong to the class itself and not to an instance (object) of the class. This means you...

Spring Boot RestTemplate getForEntity method, Producer application Dependencies Spring Web and Lombok pom.xml <?xml version='1.0' encoding='UTF-8'?> <project xmlns='http:/...