Check If A Point Lies On A Line

You might be familiar with the line equation a x +b y +c= 0 . Where a,b,c are constants and x,y are the points on the line. Now let us ch...

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Round Off Number To Nearest Tens

Here is a aktivitas on rounding off a number to nearest tens. For example, 35 will be rounded off to 30 and 36 to 40. Description Th...

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Check Sum Of Two Numbers To Sasaran In Array

In this i'll be discussing about checking whether any 2 numbers in an array can add up to give a target  number. For this, i have wri...

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Draw Table On Swing Tooltip

Let us draw a table on Swing tooltip. The coding is very easy all you need to do is to just go through this easy and small program. Wh...

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How To Reverse Elements In Array

The following illustrates reversing elements in an array using the common swapping technique. The logic is dead simple and is considered...

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Find Largest Number In Array

Here is the most common and simple logic to find the largest number in array. The following kegiatan consists of a method called findLarg...

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Sort Elements In Arraylist, Linkedlist, Vector

Let us sort elements in ArrayList in the increasing order. Not only ArrayList, but also LinkedList. The code for both of them is same and...

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Copy 1D Array To 2D Array Easily

In this example, i'll show you how to copy a 1-D array into 2-D array in Java. Here is a simple logic that does the task. The task is...

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Difference Between Break And Continue Keywords

When we enter into loops concept we might undergo the two keywords break and continue . These two keywords 'sometimes' seem to d...

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How To Convert Arraylist Into Array

Here is a question about converting ArrayList to an array. We can do this using two simple methods in the java.util.ArrayList . These me...

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Swapping Variables Without Temp Variable

Before we have seen how to swap two variables with the use of temp . Now, it's time to see how to swap two variables without the use ...

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Illustrating Classcastexception With Example

The following illustrates ClassCastException in Java with example. Consider the example, this seems to be OK but when you execute it.......

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Using Scriptlets In Jsp With Example

We may need to write Java code in our JSP kegiatan instead of just printing something on the web page. The code usually is not of a singl...

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Add Two Numbers In Jsp Easily

Here is an example on adding up two numbers in JSP. This is very simple as you see below. This requires very small piece of code. All i h...

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Swapping Two Variables In Java

Swapping means inter changing. Swapping two numbers or two variables is nothing but sending the value of one variable to another variable...

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Get Item After The Array Is Used Up 'N' Times

Sometimes we may encounter a question like, if there are 5 colors and every color is picked up by a student in order and if 72 students p...

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Get Last Digit In A Number

Let me illustrate a very simple logic on getting last digit of a number. The logic is applicable on any programming language and not just...

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Installing Spring Framework In Windows

Here is a simple tutorial on installing and configuring Spring Framework . This is very simple that you'll just laugh at it. All you ...

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Yet Another Spring Hello World Application

Here is another Spring Hello World application which acts as an introductory start to your spring journey. This is very simple and in thi...

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