Java setup (hard)
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Questions and Answers

Which file format should be downloaded for Java installation on a Windows PC?

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

    • What is the purpose of downloading the JDK (Java Development Kit)?

  • To install the Java runtime environment
  • To download the Java SE
  • To write the first Java program (correct)
  • To verify the Java installation

    • How can you verify if Java is already installed on your system?

  • Check the command prompt for the Java version (correct)
  • Download the JDK from Oracle
  • Search for Java in the start menu
  • Check the size of the downloaded file

    • What should be done if the downloaded file size does not match the size mentioned on the website?

    <p>Delete the downloaded file</p> Signup and view all the answers

    Which operating systems are mentioned as options for Java installation?

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

    What is the recommended file format for Java installation on Linux?

    <p>.tar.gz</p> Signup and view all the answers

    What is the main purpose of the Java Development Kit?

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

    What should be done after the Java installation process?

    <p>Write the first Java program</p> Signup and view all the answers

    What is the purpose of the Java SE?

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

    Which user can install the Java RPM file on a Linux system?

    <p>The root user</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 for writing and editing codes.</p> Signup and view all the answers

    Which IDE is commonly used for Java programming?

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

    What is the purpose of 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>Text editor</p> Signup and view all the answers

    What is the first program that is recommended to be written in a new programming language?

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

    What is the file extension used for Java source code files?

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

    How can you run a Java program written in Eclipse?

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

    How can you run a Java program written in Notepad?

    <p>Running the program from the command prompt</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 the JDK and JRE in Java programming?

    <p>JDK is used for code compilation and JRE is used for code execution.</p> Signup and view all the answers

    Which of the following is the correct step to set the JDK path in Windows?

    <p>Double click on 'Path' under System Variables and click on 'New' to add the copied path.</p> Signup and view all the answers

    What is the purpose of the 'tar zxvf' command in Linux installation?

    <p>To unpack and extract the.tar.gz archive file.</p> Signup and view all the answers

    Which command is used to install the JDK in Linux using the.rpm file?

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

    What is the first step to install Java on macOS?

    <p>Open the downloaded.dmg file from the Downloads folder.</p> Signup and view all the answers

    What is the purpose of the 'javac' command?

    <p>To compile Java source code into bytecode.</p> Signup and view all the answers

    What is the purpose of the 'jdk/bin' folder?

    <p>To contain the executables and command-line launchers.</p> Signup and view all the answers

    Which folder contains the copyright and license files for each module in Java?

    <p>jdk/legal</p> Signup and view all the answers

    What is the purpose of the 'jdk/include' folder?

    <p>To store the C-language header files for native-code programming.</p> Signup and view all the answers

    What should you do after installing Java on macOS to save disk space?

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

    Where should you write your Java program after installing Java?

    <p>In any text editor or Integrated Development Environment (IDE).</p> Signup and view all the answers

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