Java setup (medium)
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Questions and Answers

Which of the following is the first step in Java installation?

  • Open the command prompt
  • Verify if Java is already installed in your system
  • Download the JDK (correct)
  • Search for Java installation on the internet

    • What can you do to verify if Java is already installed in your system?

  • Search for Java installation on the internet
  • Open the command prompt and type 'java --version' (correct)
  • Check the size of the downloaded file
  • Download the JDK

    • Which file format should you download for Java installation on Windows?

  • .exe (correct)
  • .rpm
  • .tar.gz
  • .dmg

    • What should you do if the size of the downloaded file doesn't match the size mentioned on the site?

    <p>Try deleting the downloaded file and downloading it again</p> Signup and view all the answers

    Which user can install the .rpm file for Java installation on Linux?

    <p>Root user</p> Signup and view all the answers

    What is the purpose of the JDK in Java installation?

    <p>To develop Java programs</p> Signup and view all the answers

    What is the recommended file format to download for Java installation on macOS?

    <p>.dmg</p> Signup and view all the answers

    What is the purpose of the command 'java --version'?

    <p>To verify if Java is already installed</p> Signup and view all the answers

    Which operating systems are mentioned in the article for Java installation?

    <p>Windows, Linux, and macOS</p> Signup and view all the answers

    What is the purpose of downloading the JDK in Java installation?

    <p>To develop Java programs</p> Signup and view all the answers

    Which of the following is the correct definition of IDE?

    <p>IDE stands for Integrated Development Environment and provides a platform to write and edit codes.</p> Signup and view all the answers

    Which is the most commonly used IDE for Java programming?

    <p>Eclipse</p> Signup and view all the answers

    What is the purpose of using an IDE?

    <p>To beautify code and make it faster and easier to type and understand.</p> Signup and view all the answers

    What is the alternative to using an IDE for writing codes?

    <p>Notebook</p> Signup and view all the answers

    What is the first program that is usually written when learning a new programming language?

    <p>Hello World program</p> Signup and view all the answers

    How can you run a Java program in Eclipse?

    <p>Click on the run icon in the IDE</p> Signup and view all the answers

    How can you compile a Java program written in Notepad?

    <p>Open the terminal and type javac <filename>.java</p> Signup and view all the answers

    What is the output of the Hello World program?

    <p>Hello World</p> Signup and view all the answers

    What is the purpose of creating a new module in Eclipse?

    <p>To create a class inside the module</p> Signup and view all the answers

    What is the purpose of creating a new class in Eclipse?

    <p>To write the Hello World program</p> Signup and view all the answers

    Which step should you take to install Java on a Windows PC?

    <p>Open the downloaded JDK file and follow the installation instructions until you reach the Finish button.</p> Signup and view all the answers

    What is the purpose of adding the JDK path to your system on a Windows PC?

    <p>To allow your system to access the Java program even when you reboot.</p> Signup and view all the answers

    What is the default installation path for Java on a Windows PC?

    <p>C:\Program Files\Java\jdk-13\bin</p> Signup and view all the answers

    What is the purpose of the tarball file in Linux installation?

    <p>It is a file that can be uncompressed and extracted in a single step.</p> Signup and view all the answers

    What command is used to install the JDK from the tarball file in Linux?

    <p>$ tar zxvf jdk-13.interim.update.patch_linux-x64_bin.tar.gz</p> Signup and view all the answers

    What command is used to install the JDK from the .rpm file in Linux?

    <p>$ rpm -ivh jdk-13.interim.update.patch_linux-x64_bin.rpm</p> Signup and view all the answers

    What is the purpose of the .dmg file in macOS installation?

    <p>It is the downloaded file used to start the installation.</p> Signup and view all the answers

    What is the purpose of the Javac file in Java installation?

    <p>Javac is the compiler of Java language which generates the bytecode.</p> Signup and view all the answers

    What is the purpose of the jdk/bin folder in Java installation?

    <p>The jdk/bin folder contains the executables and command-line launchers.</p> Signup and view all the answers

    What is the purpose of the jdk/conf folder in Java installation?

    <p>The jdk/conf folder contains all the configuration files intended to be edited by developers, deployers, and end-users.</p> Signup and view all the answers

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