Go Program to Print Downward Triangle Star Pattern

Write a Go program to print downward triangle star pattern using for loop.

package main

import "fmt"

func main() {

	var i, j, row int

	fmt.Print("Enter Downward Triangle Star Pattern Rows = ")
	fmt.Scanln(&row)

	fmt.Println("**** Downward Triangle Star Pattern ****")

	for i = row - 1; i >= 0; i-- {
		for j = 0; j <= i; j++ {
			fmt.Printf("* ")
		}
		fmt.Println()
	}
}
Go Program to Print Downward Triangle Star Pattern

This Golang example prints the downward triangle pattern of a given character.

package main

import (
	"bufio"
	"fmt"
	"os"
)

func main() {

	reader := bufio.NewReader(os.Stdin)

	var i, j, row int

	fmt.Print("Enter Downward Triangle Pattern Rows = ")
	fmt.Scanln(&row)

	fmt.Print("Enter Character to Print in Downward Triangle = ")
	ch, _, _ := reader.ReadRune()

	fmt.Println("**** Downward Triangle Pattern ****")

	for i = row - 1; i >= 0; i-- {
		for j = 0; j <= i; j++ {
			fmt.Printf("%c ", ch)
		}
		fmt.Println()
	}
}
Enter Downward Triangle Pattern Rows = 10
Enter Character to Print in Downward Triangle = $
**** Downward Triangle Pattern ****
$ $ $ $ $ $ $ $ $ $ 
$ $ $ $ $ $ $ $ $ 
$ $ $ $ $ $ $ $ 
$ $ $ $ $ $ $ 
$ $ $ $ $ $ 
$ $ $ $ $ 
$ $ $ $ 
$ $ $ 
$ $ 
$ 

About Suresh

Suresh is the founder of TutorialGateway and a freelance software developer. He specialized in Designing and Developing Windows and Web applications. The experience he gained in Programming and BI integration, and reporting tools translates into this blog. You can find him on Facebook or Twitter.