Now, open the Command Prompt and run it as administrator. We will make use of the ‘cd’ command to change the operating directory on the Command Prompt to the one where your Java program is stored.

In fact, you don’t even have to code your Java into a file. JShell can execute lines of Java code directly on the command line. Java without a main method. Historically, Java devs have had to code a ...

Listing 4. Run the program with Maven mvn clean package exec:java -Dexec.mainClass=com.infoworld.App You’ll get the carrot prompt, the echo response, and the tab-completion commands. Handling ...

In Java, you normally don't run a single statement or a collection of statements. Instead, you run an entire compilation unit (a main class or a collection of classes). But with the new Java 9 REPL, ...