Beginning Android Development - Must Not Undeclare Prefix

Usually when we start with some development activities, especially for new developers, there are many common errors which we face. They are usually not big issues but they become roadblock for new developers and hence de-motivates them to start development.  However, if we see the brighter side, they help us in learning system better and troubleshooting them helps us in understanding tool quickly. One of the most common error users face...

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Print All Prime Numbers between 1-500 Using Java

Prime numbers are those numbers which do not have any factor except themselves. So any number which can't be divided by any other number except itself is a Prime Number. So, how do we identify Prime Numbers ? There are many ways to do so but as usual we'll go with the simplest and the easiest one. We are going to print all the prime numbers between 1 to 500. So how do we do it. Below is the code. This is how it works.  We just need to...

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How to find Even and Odd Number using Java

Although identifying a number as even or odd it's one of the easiest thing to do. However, just for the sake of knowledge and it's implementation with Java is our prime goal here and hence this post. The logic is simple. Any number which when divided by two leaves no remainder is considered as even and the number which leaves a remainder is odd. This is how we implement it using Java. This Program is self explanatory and implemented in most...

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How to Design Pyramid using Java

As as Beginner in Java Programming field, one try to be creative in playing with for Loops or If Else or While type of conditional statements. And this is where pattern printing programs comes handy. They help us in understanding loops and other java conditional statements in a better way. So more creative you are, more will be your programming skills and there is a good chance to quickly master them. Think of all the wild patterns you want to see...

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