Formerly known as Jakarta Tomcat, Apache Tomcat is a free and open-source web server that was founded by Apache Foundation. Unlike traditional web servers such as Apache or Nginx, Apache Tomcat is used to serve Java-based web applications. Tomcat version 9 was released on December 6th, 2018. Some of the improvements include Support for Java […]
How Does JDBC Connection Actually Work?
The JDBC Connection interface is a part of java.sql package. The java.sql.Connection interface defines the contract for relational database vendors. The vendor connection classes must implement these methods. An instance of Connection is used to communicate with the Database. The implementation of the Connection interface depends on the database vendor. So we don’t need to […]
Type Casting in Java
In this tutorial, we’ll be discussing typecasting and its various forms in Java. Let’s get started. Type Casting in Java In simple terms, type casting means converting the type of a primitive/reference variable. We’ll be dealing with three types of scenarios in typecasting: Primitive types Object types Wrapper Classes and primitives Hence, this tutorial would […]
Java printf() – Print Formatted String to Console
We’ve already discussed Java println() method in a previous tutorial. Today, we’ll discuss the printf() method and its various implementations in detail. Ready. Get. Set. Go! Java printf() printf() method is not only there in C, but also in Java. This method belongs to the PrintStream class. It’s used to print formatted strings using various […]
Java 12 Features
Finally, JDK 12 which is a part of the six-month release cycle, is here. It comes after the last Java LTS version 11. We had discussed at length on Java 11 features before. Today we’ll be discussing Java 12 features and see what it has in store for developers. Java 12 was launched on March […]
Java 12 String Methods
Java 12 was released in March 2019. There are four new methods added in String class. In this tutorial, we will look into these new methods in detail. 1. indent(int n) This method adjusts the indentation of each line in the string based on the value of ‘n’ and also normalizes line termination characters. If […]
Java 11: New Methods in String Class
Java 11 doesn’t have a lot of language specific features. So, it was surprising to see 6 new methods getting introduced in Java String Class. Java 11 String Class New Methods Let’s look at these new String class methods one by one. isBlank(): This method returns true if the string is empty or contains only […]
Java String join()
Java String join() function is used to join multiple strings to create a new string with the specified delimiter. Java String join() Java String join() method is added in Java 8 release. There are two variants of join() method, both of them are static methods. public static String join(CharSequence delimiter, CharSequence… elements) public static String […]
Java 11 Features
We haven’t fully immersed ourselves in Java 10 yet, and Java 11 is here. Java 11 is important for more than just a few reasons. Oracle has revamped its support model and come up with a release train that’ll bring rapid updates, about every 6 months. They’ve changed the licensing and support model which means […]
Pyramid Pattern Programs in Java
Pattern programs are used a lot in interviews to understand the logical thinking abilities of the interviewee. Pyramid patterns are very popular and once we get the logic on the way it’s created, writing code to achieve the same is an easy task. Pyramid Pattern Programs in Java Here I am providing some examples to […]