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Use java.io package for output operations. 4. User Input: Use Java Console object, Scanner class, Swing JOptionPane, or System.in. 5. Exception Handling: Handle I/O exceptions to prevent ...

Java uses an object called a Scanner to process program input. Program input can be things users type or data read in from a file. Scanner objects start at the beginning of input and move forward, ...

In contrast to the Console or Scanner classes, the JOptionPane provides immediate visual feedback, which makes writing Java code satisfying and fun. Furthermore, it teaches newcomers to the Java ...