package com.rrv;
import java.util.Scanner;
public class ButterFlyLogic {
public static void main(String[] args)
{
Scanner scannerInput=new Scanner(System.in);
//take input from user
System.out.println("Enter Number of Steps you want: ");
int numOfSteps=scannerInput.nextInt();
//spaceDecre variable for printing spaces
int spaceDecre=numOfSteps*2-3;
//stepIncre variable for printing step wise
int stepIncre=1;
//for printing top of the rows
for(int i=numOfSteps;i>1;i--)
{
//call method steps()
ButterFlyLogic.steps(stepIncre,spaceDecre,i);
spaceDecre=spaceDecre-2;
stepIncre++;
}
int ones=numOfSteps*2-1;
for(int i=0;i<ones;i++)
{
System.out.print("1");
}
System.out.println("\n");
//stepIncre and spaceDecre variable for bottom steps
stepIncre=numOfSteps-1;
spaceDecre=1;
//for printing below steps
for(int j=2;j<=numOfSteps;j++)
{
//call method steps()
ButterFlyLogic.steps(stepIncre, spaceDecre, j);
spaceDecre=spaceDecre+2;
stepIncre--;
}
}
//method for printing steps
public static void steps(int stepIncre,int spaceDecre,int i)
{
int step=stepIncre;
//printing leftside values
while(step>0)
{
System.out.print(i);
step--;
}
int space=spaceDecre;
//printing spaces
while(space>0)
{
System.out.print(" ");
space--;
}
step=stepIncre;
//printing rightside values
while(step>0)
{
System.out.print(i);
step--;
}
System.out.println("\n");
}
}
OUTPUT:
Enter Number of Step you want:
5
import java.util.Scanner;
public class ButterFlyLogic {
public static void main(String[] args)
{
Scanner scannerInput=new Scanner(System.in);
//take input from user
System.out.println("Enter Number of Steps you want: ");
int numOfSteps=scannerInput.nextInt();
//spaceDecre variable for printing spaces
int spaceDecre=numOfSteps*2-3;
//stepIncre variable for printing step wise
int stepIncre=1;
//for printing top of the rows
for(int i=numOfSteps;i>1;i--)
{
//call method steps()
ButterFlyLogic.steps(stepIncre,spaceDecre,i);
spaceDecre=spaceDecre-2;
stepIncre++;
}
int ones=numOfSteps*2-1;
for(int i=0;i<ones;i++)
{
System.out.print("1");
}
System.out.println("\n");
//stepIncre and spaceDecre variable for bottom steps
stepIncre=numOfSteps-1;
spaceDecre=1;
//for printing below steps
for(int j=2;j<=numOfSteps;j++)
{
//call method steps()
ButterFlyLogic.steps(stepIncre, spaceDecre, j);
spaceDecre=spaceDecre+2;
stepIncre--;
}
}
//method for printing steps
public static void steps(int stepIncre,int spaceDecre,int i)
{
int step=stepIncre;
//printing leftside values
while(step>0)
{
System.out.print(i);
step--;
}
int space=spaceDecre;
//printing spaces
while(space>0)
{
System.out.print(" ");
space--;
}
step=stepIncre;
//printing rightside values
while(step>0)
{
System.out.print(i);
step--;
}
System.out.println("\n");
}
}
OUTPUT:
Enter Number of Step you want:
5
5 5
44 44
333 333
2222 2222
111111111
2222 2222
333 333
44 44
5 5
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