Improving the intName() method:

The given program in the textbook is capable of handling arguments upto 999, and now the method intName() has to be changed to handle the argument <1,000,000,000.

To handle arguments <1,000,000,000, the below part of code should be added before Line 25.

    // Declare the variable

    int partNumber = number;

    // Declare the variable to store the returned string

    String name = "";

    // Condition to check the number

    if (partNumber >= 1000000)

  ;&#x...

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