\Java
UsingObjects.java
//******************************************************************** // // UsingObjects.java // Program title: UsingObjects // //******************************************************************** // // Program Description and Design Overview: // // // Input Requirements: // // // Output Requirements: // // // Program Preconditions: // // //******************************************************************** import java.util.Random; import cs1.Keyboard; import java.text.DecimalFormat; public class UsingObjects { //----------------------------------------------------------------- // Generate random phone number and prize amount //----------------------------------------------------------------- public static void main (String[] args) { int AreaCode, First3Dig, Second4Dig; double Prize; Random NumMaker=new Random(); System.out.print ("Enter the 3 digit area code: "); AreaCode = Keyboard.readInt(); First3Dig = Math.abs (NumMaker.nextInt()) % 999 + 100; Second4Dig = Math.abs (NumMaker.nextInt()) % 9999 + 1000; System.out.println (AreaCode + "-" + First3Dig + "-" + Second4Dig); Prize = Math.sqrt ((double)((10000.0 * First3Dig) + Second4Dig)); DecimalFormat fmt = new DecimalFormat ("0.##"); System.out.println ("Your prize is $" + fmt.format(Prize)); } //end main } // end class UsingObjects