Write a java program for Bubble Sort? Bubble sort is a simple sorting algorithm that repeatedly iterates through the array to be sorted, compares each pair of adjacent items, and swaps them. All sorting algorithms mostly have two fundamental operations: 1.Comparison. 2.Swapping. Java program In bubble sort we compare each element to the next […]
What is JMS API? JMS is a short form for Java Message Service. JMS API allows applications to create, send/receive, and read messages. Messaging is a method of communication between applications. A messaging client can send messages to, and receive messages from other clients. Messaging enables communication between software applications in a loosely coupled environment. […]
How to compile and run Java program without IDE? In this tutorial, we will learn the steps involved to compile and run the Java program without IDE. Detailed steps are shown below: Steps To compile and run Java program we require an editor( ex Notepad, TextPad etc ), java compiler ( javac ) and java. […]
Write a Java program using HashMap to store name and age pairs In this tutorial, we will learn to use HashMap to store name and age pairs. HashMap maps keys to values. It implements the Map interface. HashMap is not synchronized and permits nulls. Furthermore, it makes no guarantee as to the order of the […]
How to check the Java version on Windows? You can check the Java version by using the command line window. Command Prompt Type “cmd” in the Search box after clicking on Start. Alternatively, On the Windows 10 operating system, you can ask Cortana to open the command. Say the command “open command prompt” , and […]
How to Write Test Cases for Pencil? In this tutorial, we will discuss how to write test cases for a pencil. This guide will teach you how to write effective and efficient test cases in QA/Testing interviews or for testing a product. Interviewer Standpoint Why would an interviewer ask such a question for a job […]