Question: How do I save a Java source file?

How do I save a .java file?

To save a Java file:

  1. Switch to the Java perspective.
  2. Create a new Java file or open an existing Java file.
  3. Make the changes to the contents of the Java file.
  4. When you have finished working, click File > Save or File > Save All to save the file and retain all your changes.

What is the extension to save java source file?

Java programs must be saved in a file whose name ends with the . java extension, so using your favorite ASCII editor, enter the program exactly as it appears on the first page of this lesson and save the program to a file named DateApp. java .

How do I save a java file to my desktop?

To do this in Notepad, first choose the File > Save As ... menu item. Then, in the Save As dialog box: Using the Save in combo box, specify the folder (directory) where you’ll save your file.

Can we save java source file without any name?

what do you mean by without any name there need to be some name. Yes,it is possible to compile a java source file with different file name but you need to make sure none of the classes defined inside are public… when you compile the source file the corresponding .

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How do I run a Java file?

How to run a java program

  1. Open a command prompt window and go to the directory where you saved the java program (MyFirstJavaProgram. java). …
  2. Type ‘javac MyFirstJavaProgram. …
  3. Now, type ‘ java MyFirstJavaProgram ‘ to run your program.
  4. You will be able to see the result printed on the window.

How do I open a Java file?

To run the file (Java Runtime Environment)

  1. Right-click the file and select Open With.
  2. In the Open With window, click the Browse button to open the File Explorer window.
  3. You need to find the Java executable file (java.exe file) on your computer hard drive.

What is a Java file extension?

A Java class file is a file (with the . class filename extension) containing Java bytecode that can be executed on the Java Virtual Machine (JVM). A Java class file is usually produced by a Java compiler from Java programming language source files ( .

How do I save a source file?


  1. Right-click on the page you want to view the source for.
  2. Select View page source. – A window opens showing the source code.
  3. Right-click | select Save As.
  4. Save the file as a . txt. Example file name: source_code. txt.

What do Java files end with?

The Java compiler, javac, requires that the name of a Java source file end with a . java extension. If the source file contains a class or interface that is declared with the keyword public, the filename must be the name of that class or interface. There can be at most one such class or interface in a source file.

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