A4.java - import java.util.Scanner public class A4 cfw...

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import java.util.Scanner; public class A4 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); System.out.println("Please put in a height for the pyramid between 1 and 25."); int height = scan.nextInt(); while (height >= 0 || height <= 0) { if (height >= 1 && height <= 25) { break; } else { System.out.println("Please type in a valid input."); height = scan.nextInt(); } } System.out.println("Would you like a diamond instead of a pyramid? Yes or No"); scan.nextLine(); String str = scan.nextLine(); while (!str.equals("Yes") || !str.equals("No")) { if (str.equals("Yes") || str.equals("No")) { break; } else if (!str.equals("Yes") || !str.equals("No")) { System.out.println("Please type in a valid input."); str = scan.nextLine(); } } boolean diamond; if (str.equals("Yes")) { diamond = true; System.out.println("Printing a Diamond.");
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