We learned how to make a basic Spring MVC application in our previous post, and now we are ready to take it a little further by connecting it with our MySQL database. We will use the JDBCTemplate to integrate database with our Spring App. Below are the project structure and java files that we made […]
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JSON (JavaScript Object Notation) has become the de facto standard for data interchange in modern applications. In Java, the @JsonIgnoreProperties and @JsonIgnore annotations provide powerful tools for customizing the serialization and deserialization of JSON data. This post explains how these annotations can control the serialization and deserialization of JSON data, allowing you to exclude specific
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This post will look at how we can install the apache tomcat server on mac and window using some very simple steps. Installing Apache Tomcat on Mac Installing Apache Tomcat on Windows Let’s look at them one by one. Installing Apache Tomcat on Mac Go to https://tomcat.apache.org/download-80.cgi. Click on the zip link to download the
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Spring MVC is a popular Java framework for building web applications. It provides a powerful set of features for building dynamic, scalable, and secure web applications. This article will walk you through the steps of building a basic Spring MVC application. We will use the below tools in our project. Eclipse IDE (where we write
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In this post, we will see the working of general Symbols in regex mentioned in this post with a few examples. So, let’s start one by one 1. \^ symbol in regex This will tell you about the start of your string. Suppose we have a string “codekru” and we have a regex “^abc“, then
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In this post, we will talk about the various symbols and what do they mean in the making of a regular expression. So, let’s see them one by one – Subexpression Matches \^ Start of a string/line $ End of a string/line \b Word boundary \B Not a word boundary \A Beginning of entire string
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In this post, we will study how to create a rest API using Spring Boot. We will be using Maven and Spring STS IDE to create a spring boot Project. You can also use eclipse to create a spring boot project. Creating a Spring Boot Project To create a new project, click on File ->
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In this post, we will be looking at how to parse the apache log file in Java. We will also be looking at different parts of the regular expression that will help us parse the apache log file in detail. The file format was designed for human inspection but not for easy parsing. The problem
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In this, we will discuss, how to run Java programs using the command prompt ( cmd ) while writing the code in text editors like notepad or sublime and about the errors that we encounter while running it, and how to resolve those. 1. First, let’s run a simple hello world program using a command
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In this post, we will discuss equals() and hashcode() methods defined in the Object class of Java. We will also learn how to use them while creating our own classes. Even though both of these methods have their own significance and yet they have a dependency on each other. equals() and hashcode() methods are defined
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