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Hey guys, recently I get a chance to explore Nodejs and Express, in my opinion, I think NodeJS and Express is a great option for building restful web services because…
Hey in the previous post we discussed filtering expenses based on keyword, in this post, we will sort the expenses by expense name and amount. We will sort the expense…
Hey in the previous post, we discussed deleting an expense, in this post let's look at how to filter the expenses by keyword, meaning the user will enter the characters…
Hey everyone, in the previous post we discussed updating the expense details, and in this post, we will discuss deleting an expense. we can delete expense from two different places,…
Hey in the previous post we covered saving the expense details to the database, in this post we will cover updating the expense details. We will continue with the same…
Hey in this post, we will continue with the application which we created in our previous post. In this post, we will cover saving the expense record to the database.…
Hey in this post we will quickly create spring boot and angular 9 application and create rest endpoint to retrieve the list of records. We will also make HTTP GET…
Hey in this post, we will develop a full-stack web application using Angular 9 and Spring boot. We will connect this application to the MySQL database and perform the basic…
Hello, in this post we will display the list of expenses in the JSP view template. Let's begin. First, we need to add the dependency for the JSTL tag library…
Hello, in this post we will call the expense service method to get the list of expenses and print it in the console. let's begin. Inside the MasterController modify the…
Hello, in this post we will create Service and Repository for Expense. Let's begin. First, create an ExpenseRepository under src/main/java/in/bushansirgur/expenseyoutube/repository package ExpenseRepository.java @Repository public interface ExpenseRepository extends JpaRepository<Expense, Long> {…
Hello, in this post we will create an entity class for Expense. let's begin. Create a class Expense under src/main/java/in/bushansirgur/expenseyoutube/model package We will use Lombok annotations @Setter, @Getter to override…
In this post, we will configure the JSP view template in the Spring boot application. let's begin. First, we need to add a dependency in pom.xml in order to use…
Hello in this post, we will set up the MySQL database and we configure the data source in the spring boot project. let's begin. Create a MySQL database, CREATE DATABASE…
Hi in this post, we will create a Spring boot project using spring initializer Add the following dependencies to the pom.xml pom.xml <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">…
Print matrix in Z form. Input: mat[][] = {1, 2, 3, 4, 5, 6, 7, 8, 9} Output: 1 2 3 5 7 8 9 public class PrintTheMatrixOrder { public…
Print all jumping numbers smaller than or equal to x. Input: x = 105 Output: 0 1 2 3 4 5 6 7 8 9 10 12 21 23 32…
Find if there is a rectangle in binary matrix with corners as 1. Input: mat[][] = {{1, 0, 0, 1, 0}, {0, 0, 1, 0, 1}, {0, 0, 0, 1,…
In this tutorial, we will learn creating a REST API using Spring Boot and MongoDB. We will perform the basic database operations like Create, Read, Update and Delete. So we…
Print squares of diagonal elements in O(n) time complexity Input: 1 2 3 4 5 6 7 8 9 Output: 1 25 81 9 25 49 public class SquareOfDiagonal {…
Find the length of unsorted subarray such that sorting this subarray can sort all the array. Print the start and end index. public class Solution { public static void unsortedArrayIndex(int…
