To do this, click the Compile button.If all goes well, you should see the following message in the Compiler Outputpane at the bottom: It is now time to convert your Java program into a form more amenable for execution on a computer. Finally, click the Save button to save the file, using the name filename is case sensitive and must exactly match the name of theclass in the Java program.As you type, DrJava does the indenting for you. If you omit even a semicolon, the program won't work. In the main DrJava window, type the Java programHelloWorld.java exactly as it appears below.The installer creates a shortcut to DrJava on the desktop.Double-click it to launch DrJava.If you receive a warning about incoming network connections,click Allow.Now you are ready to write your first Java program.You will develop your Java programs in an application called DrJava.DrJava features many specialized programming tools including syntax highlighting,bracket matching, auto indenting, and line numbering. A Standard Drawing window containing a red bullseye and a textbook graphic.A Terminal window containing approximately thisexecution log.If the installation succeeds, you will see the following:.Enter your OS X password when prompted.Double-click introcs.app to perform the installation.If you receive a warning that introcs.app is an applicationdownloaded from the Internet, click Open. To enable this option, you may need to click the lock in the lower left-hand corner(and type your password when prompted).-> Security and Privacy -> General -> Allow applications downloaded from: Anywhere. Download introcs.zip to the Desktop double-click it to unzip (if necessary).
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