All About Test Automation

Java Basics Case Sensitivity - Java is case sensitive, which means identifier Hello and hello would have different meaning in Java. Class Names - For all class names the first letter should be in Upper Case. If several words are used to form a name of the class, each inner word's first letter should be in Upper Case. Example  : class MyFirstJavaClass Method Names - All method names should start with a Lower Case letter. If several words are used to form the name of the method, then each inner word's first letter should be in Upper Case. Example : public void myMethodName() Program File Name - Name of the program file should exactly match the class name. When saving the file, you should save it using the class name (Remember Java is case sensitive) and append '.java' to the end of the name (if the file name and the class name do not match your program will not compile). Example : Assume 'MyFirstJavaProgram' is the class name. Then the ...

Please follow the below given steps to download and install eclipse to your windows machine. Step 1 :  Open browser of your choice and got to the address " http://www.eclipse.org/ " and click on download link. Step 2 : Click on 'Download Packages'. Step 3 :  Click on 32 bit/64 bit link according to your machine from 'Eclipse IDE for Java EE Developrs'. Make sure that 'Windows' is selected in drop down. Note: If you have installed java 32 bit install 32 bit eclipse and if you have installed java 64 bit install 64 bit eclipse to avoid any error. Step 4 : Click on 'Download' button to download eclipse or you can 'Select Another Mirror' to download it from another mirror which is near to your location. Note: Once downloading starts, you will see "Thank you for downloading Eclipse" Page. Step 5 : Extract eclipse from zip. Step 6 :  Double Click on eclipse.exe or to create shortcut on d...

Java System Overview Differences between C++ and JAVA

Difference Between Compiler And Interpreter  A compiler takes entire program and converts it into object code which is typically stored in a file. The object code is also refereed as binary code and can be directly executed by the machine after linking. An Interpreter directly executes instructions written in a programming or scripting language without previously converting them to an object code or machine code. Difference Between Java Development Kit(JDK), Java Run Time Environment(JRE) And Java Virtual Machine(JVM) JVM ( Java Virtual Machine ) is an abstract machine. It is a specification that provides runtime environment in which java bytecode can be executed. JVMs are available for many hardware and software platforms. JVM, JRE and JDK are platform dependent because configuration of each OS differs. But, Java is platform independent . The JVM performs following main tasks: Loads code Verifies code Executes code Provides runtime environment ...

 Java Platform Java is a programming language and a platform. A Platform is hardware or software environment in which a program runs. Most popular platforms like Microsoft Windows, Linux, Solaris OS, and Mac OS. Java is a software-only platform that runs on top of other hardware-based platforms. The Java platform has two components:        The Java Virtual Machine( JVM )       The Java Application Programming Interface ( API ) API is grouped into libraries of related classes and interfaces, these libraries are known as packages . Java Virtual Machine(JVM) JVM is the part of Java Run Time Environment(JRE) and it is responsible to load and run the java class file. Internal Architecture of Java Virtual Machine(JVM) Class Area : It stores per-class structures such as the run time constant pool, field and method data, the code for methods. Heap : Run time data area in which objects are allo...

Java History Java is just a name not an acronym. James Gosling, Mike Sheridan, and Patrick Naughton initiated the Java language project in June 1991. The small team of sun engineers called Green Team. Firstly, it was called "Greentalk" by James Gosling and file extension was .gt. After that, it was called Oak and was developed as a part of the Green project. Java is an Island of Indonesia where first coffee was produced. Originally developed by James Gosling at Sun Microsystems (which is now a subsidiary of Oracle Corporation) and released in 1995. There are many java versions that has been released. JDK Alpha and Beta (1995) JDK 1.0 (23rd Jan, 1996) JDK 1.1 (19th Feb, 1997) J2SE 1.2 (8th Dec, 1998) J2SE 1.3 (8th May, 2000) J2SE 1.4 (6th Feb, 2002) J2SE 5.0 (30th Sep, 2004) Java SE 6 (11th Dec, 2006) Java SE 7 (28th July, 2011) Java SE 8 (18th March, 2014) Java SE 9 (21st Sept, 2017) Java SE 10(Java 18.3)about to release in March 2018 Java Feature...

Please follow the below steps to install Anaconda Step 1 : Open browser and go to the address " https://www.anaconda.com/ " and click on 'Download' link under 'Products' in menu. Step 2 :  Scroll down and click on 'Download' to download anaconda. Step 3 :  Click on anaconda .exe file to start installation. Step 4 :  Click on 'Run'. Step 5 :   Click on 'Next'. Step 6:  Click on 'I Agree' to accept the license agreement. Step 7 : Keep Selected 'Just Me' and click 'Next'. Step 8 :  Click 'Next' if you wan't default destination folder or you can browser to select different location. Step 9 :  Customize how anaconda integrates with windows, I kept it as default Python 3.6 and click Next. Step 10 :  Installation Progress will Start. Step 11 :  Once installed click 'Finish'. Step 12 : Click on 'Anaconda ...

Please follow the below steps to download, install and print 'Hello World!' in python on windows machine. Step 1 :  Open browser of your choice and go to the address " https://www.python.org/ ". Step 2 : Click on 'Downloads'. Step 3 : Click on 'Python 3.6.4' or 'python 2.7.14'  to download the python for windows(please check the difference between python 3 and python 2 form the link given below the download buttons). If you are looking for specific release then scroll down and click on download to download the specific python version. Step 4: Click on python exe to start installation. Step 5 : Click on Run Step 6 :  Click on 'Install Now', once clicked on Install Now it will start 'Setup Progress' followed by 'Setup was successful' Step 7 : Click on start window button and search for 'python' and click on 'Python 3.6 (32-bit)'. Step 8: This will...

Please follow the below given steps to download Java (JDK) on windows machine. Step 1: Open browser of your choice and go to the address: " https://www.oracle.com/index.html ". Step 2: Click on menu, select  Java and then click on Java SE. Please refer following screenshot. Step 3:   Scroll down and click on 'Download Java SE for Developers' Step 4 :   The Download page will open in new tab of browser, here you have to select the java version you want to install for your machine, the latest version will on the top, for older versions you have to scroll down the page and select the java version of your choice. Step 5: Click on 'Download' button of JDK for the java version you have to download. Step 6: Accept License Agreement by clicking on the radio button, then click on download link to download java according to your windows system type ie, x86 for 32 bit OS or x64 for 64 bit OS. Note: In following Screenshot, I am d...