If you have a two-dimensional array, and you want to swap the array rows and columns elements in both clockwise and anti-clockwise directions. This example will tell you how to implement it in java.
Java Swap Rows And Columns ClockWise In Two Dimensional Array Example Read More »
This example will show you how to change the android device screen orientation ( horizontal to vertical vice versa ) and how to avoid activity restart during the screen orientation change.
Android Change Orientation Without Restarting Activity Example Read More »
Spring boot is used to help developers develop spring applications quickly and easily. It can help you in the following aspects. Create spring project file structure and related source files with a wizard. Get and add correct dependencies jars into your spring project automatically from the spring repository. You do not need to care about
Spring Boot Hello World Example In STS Read More »
A reader of the article Read / Write Excel Data Using Apache POI asks me a question about how to read excel sheet data and write those data to a JSON file. This question lead to this example. So after reading this article you can know how to convert excel sheet data to a JSON
Convert Excel To JSON In Java Example Read More »
If you use maven in your java project, you should use pom.xml to add dependencies that your java project required. But sometimes you may need to add the third-party library jar files directly in your java project instead of using maven pom.xml. This article will tell you another method that does not use maven to
How To Download Jars From Maven Repository Read More »
This example will get an array of integer numbers from the command line console which the user inputs, then it will calculate the minimum number in the integer array and print the value out in the console.
Find Minimum Value In Java Array Example Read More »
This example will tell you how to check whether a year is a leap year or not. As we know, leap year is an integer that can be divided by 4 but can not be divided by 100. For example, 1996 is just a leap year while 1900 is not. But if a year can
Java Check Leap Year Example Read More »
The java.lang.System‘s out and err objects are used to write text data to the standard output stream and standard error stream. The default output stream is the command-line console. But the java.lang.System class also provides a method for you to redirect the standard output stream to other destinations such as file stream. With this, you
How To Write Console Output To Text File In Java Read More »
This example will tell you how to use java standard input, output, and error object to read string data from user command line input, write string data to standard output console and display error messages to standard error output. All the standard input or output object is the static variable of java.lang.System class.
Java System In Out Error Example Read More »
Sometimes you need to connect to the local webserver running on your PC from the android emulator. And sometimes you need to use a PC web browser to browse web pages stored in a web server running in an android emulator. These two scenarios are common use cases when you develop android applications. This article
How To Connect To A Http Server Running In Android Emulator From PC Vice Versa Read More »