Go Program to Print Diamond Star Pattern

Write a Go program to print the diamond star pattern using for loop.

package main

import "fmt"

func main() {

	var i, j, k, row int

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

	fmt.Println("**** Diamond Star Pattern ****")

	for i = 1; i <= row; i++ {
		for j = 1; j <= row-i; j++ {
			fmt.Printf(" ")
		}
		for k = 1; k <= i*2-1; k++ {
			fmt.Printf("*")
		}
		fmt.Println()
	}

	for i = row - 1; i > 0; i-- {
		for j = 1; j <= row-i; j++ {
			fmt.Printf(" ")
		}
		for k = 1; k <= i*2-1; k++ {
			fmt.Printf("*")
		}
		fmt.Println()
	}
}
Go Program to Print Diamond Star Pattern

This Go example prints the diamond pattern of a given character.

package main

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

func main() {

	reader := bufio.NewReader(os.Stdin)

	var i, j, k, row int

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

	fmt.Print("Character to Print in Hollow Mirrored Rhombus = ")
	ch, _, _ := reader.ReadRune()

	fmt.Println("**** Diamond Star Pattern ****")

	for i = 1; i <= row; i++ {
		for j = 1; j <= row-i; j++ {
			fmt.Printf(" ")
		}
		for k = 1; k <= i*2-1; k++ {
			fmt.Printf("%c", ch)
		}
		fmt.Println()
	}

	for i = row - 1; i > 0; i-- {
		for j = 1; j <= row-i; j++ {
			fmt.Printf(" ")
		}
		for k = 1; k <= i*2-1; k++ {
			fmt.Printf("%c", ch)
		}
		fmt.Println()
	}
}
Character to Print in Hollow Mirrored Rhombus = #
**** Diamond Star 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.