Javarevisited

Sometimes, we need to merge multiple lists into one before performing any operation, say Iteration or transformation. It's quite commo...

There are two ways to search an element in a List class, by using contains() method or by using Collections.binarySearch() method. There ...

Converting a byte array to String seems easy but what is difficult is, doing it correctly. Many programmers make the mistake of ignoring ch...

There are multiple ways to generate the MD5 hash in Java program. Not only Java API provides a convenient method for generating MD5 hash, ...

Hello guys, if you want to learn Design Patterns and looking for a comprehensive tutorial which covers all important object oriented design ...

This Java tip is about, how to reverse an array in Java, mostly primitive types e.g. int , long , double and String arrays. Despite of J...

Displaying financial amounts in the respective currency is a common requirement in Java-based E-commerce applications. For example, if you ...

There are multiple ways to combine or join two arrays in Java, both for primitive like int array and Object e.g. String array. You can eve...

You can use the split() method of java.lang.String class to split a string based on the dot. Unlike comma, colon, or whitespace, a dot is...

float and double are two data type which is used to store floating-point values in Java and we often need to convert String to float in J...

Hello guys, its been long time since I shared a Java programming exercise so today I am going to share a popular one, how to create a Mortg...

Many times we need random alphanumeric String for one or another purpose and Thankfully Java provides a couple of ways to create random Str...

Both valueOf and parseInt methods are used to convert String to Integer in Java, but there is subtle differences between them. If you lo...

HTML is the core of the web, all the pages you see on the internet are HTML, whether they are dynamically generated by JavaScript, JSP, PHP...

I remember when I was doing my engineering, the OOPS concept was in the first semester. Back then it looks like some alien things to me, be...

So, you just bought a new PC or Laptop with Windows 8 operating system, and wondering how to set PATH and Classpath on Windows 8; Or, yo...

There are two types of variables in Java, primitive and reference type. All the basic types e.g. int , boolean , char , short , float , lon...

Do you know what is a shortcut to doing static import in Eclipse? Well, I didn't know before, but today I come to know that shortcut C...

Making a method static in Java is an important decision. Though, static keyword is one of the fundamental concepts, many times programmer...

Installing JDK is the first step in learning Java Programming. If you are using Windows 8 or Windows 7 Operating System, then installing...