(java programming): import java.util.Scanner; /** *Mr. O wrote this messy progra

Question

(java programming): import java.util.Scanner;
/**
*Mr. O wrote this messy program
*/
//This program compiles and runs
public class Main{
public static void main(String[] args){
system.out.print("Enter a number:");
Scanner keyboard = new Scanner(System.in);
int pq = keyboard.nextInt();
if(pq>0){for(int i = 1;i<pq;i++){
for(int j = 1;j<=i;j++){
System.out.print("X");{
System.outs.println("");}}else{
pq = -pq
for(int i = pq; i>0; i--){
for(int j = 1;j<=i; j++){
System.out.print("X");
}System.out.println("");}}}}

Explanation / Answer

import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
System.out.print("Enter a number:");
Scanner keyboard = new Scanner(System.in);
int pq = keyboard.nextInt();
if(pq>0)
{
for(int i = 1;i<pq;i++)
{
for(int j = 1;j<=i;j++)
{
System.out.print("X");
}
System.out.println("");
}
}
else
{
pq = -pq;
for(int i = pq; i>0; i--)
{
for(int j = 1;j<=i; j++)
{
System.out.print("X");
}
System.out.println("");
}
}
}
}

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