In this tutorial you will learn to create Spring hello world example. I used Spring 4 in this project but the process is same for any other spring version. Before starting the tutorial make sure you have eclipse and jdk on your system. Spring Hello World Example Step 1: Create Java Project Open eclipse ide …
In this tutorial you will learn about the error could not find or load main class in eclipse and the ways that could solve this error. When class loader is unable to load the main class of our application then this error will come. Many reasons are there for this has to be happen. In …
Error could not find or load main class in Eclipse – 3 Ways to Fix Read More »
Here you will learn possible causes of Exception in thread “main” java.lang.IllegalArgumentException and ways to solve it. I hope you know the difference between error and exception. Error means programming mistake that can be recoverable only by fixing the application code. But exceptions will arise only when exceptional situations occurred like invalid inputs, null values, etc. …
java.lang.IllegalArgumentException – Reasons and How to Solve? Read More »
Here you will get list of java programs to print patterns of stars, numbers and alphabets. If you want code for any particular pattern then mention it in comment section, I will try to add the program here.
Here you will get java program to find gcd of two numbers using recursion and euclidean algorithm. Greatest Common Division (GCD) of two numbers is largest number that divides both of them completely. GCD is also called as Highest Common Factor (HCF). There are various ways to find GCD but Euclidean Algorithm is the most efficient …
Java Program to Find GCD of Two Numbers Using Euclidean Algorithm Read More »
Here you will learn about difference between statement and preparedstatement in Java i.e. Statement vs PreparedStatement. The Java Database Connectivity (JDBC) API is essentially used to connect Java applications with databases. It could be any relational or OLAP database. The JDBC API offers different interfaces to connect to particular databases and execute numerous types of …
Difference between Statement and PreparedStatement in Java Read More »
Here you will get program for vigenere cipher in Java for both encryption and decryption. Vigenere Cipher is a polyalphabetic substitution technique that is used for encrypting and decrypting a message text. In this technique we use a table of alphabets A to Z which are written in 26 rows which is also known as Vigenere …
Java Vigenere Cipher Program (Encryption and Decryption) Read More »
In this tutorial I have shared simple client server program example to explain java socket programming. In this example I will use Socket and ServerSocket classes for connection oriented socket programming. Since data is shared between server and client over network in the form of streams so DataInputStream and DataOutputStream classes are used. Java Socket Programming (Client …