2/17/2023 0 Comments How to use eclipse scanner inputNote that the next* methods of the Scanner class can throw exceptions that you'll need to handle. When you run this program the command-line interaction looks like this: (String.format("%s, your age is %d", username, age)) Scanner scanner = new Scanner(System.in) create a scanner so we can read the command-line input The following source code shows how to create and use a Java Scanner instance to read command-line input: The resulting tokens may then be converted into values of different types using the various next methods.” A Java Scanner class example A Scanner breaks its input into tokens using a delimiter pattern, which by default matches whitespace. “A simple text scanner which can parse primitive types and strings using regular expressions. Before I show how to use the Scanner class, here’s a short description of what it does from its Javadoc: Solution: As of Java 5 (and newer Java versions), the best way to solve this problem is to use the Java Scanner class. Java command-line FAQ: How do I read command line input from a Java application (interactively)?
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