Question

(8 marks) Write a program to ask user to input an integer and display the special...

  1. Write a program to ask user to input an integer and display the special pattern accordingly.

REQUIREMENTS

  • The user input is always correct (input verification is not required).
  • Your code must use loop statements (for, while or do-while).
  • Your program should use only the following 3 output statements, one of EACH of the followings:

System.out.print("-"); // print #

System.out.print("+"); // print +
System.out.println(); // print a newline

  • Your code must work exactly like the following example (the text in bold indicates the user input).

Example of the program output:

Example 1:

Enter the number: 5

The pattern is as follows:

-----++++-

----++++--

---++++---

--++++----

-++++-----

Example 2:

Enter the number: 7

The pattern is as follows:

-------++++++-

------++++++--

-----++++++---

----++++++----

---++++++-----

--++++++------

-++++++-------

Homework Answers

Answer #1
//TestCode.java
import java.util.Scanner;
public class TestCode {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n;

        System.out.print("Enter the number: ");
        n = scan.nextInt();

        System.out.println("The pattern is as follows:");
        for(int i = 0;i<n;i++){
            for(int j=i;j<n;j++){
                System.out.print("-");
            }
            for(int j=1;j<n;j++){
                System.out.print("+");
            }
            for(int j=0;j<=i;j++){
                System.out.print("-");
            }
            System.out.println();
        }
    }
}

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