pyramid triangle

Generate Double pyramid number pattern in Java

Generate Double pyramid number pattern in Java

In this tutorial, we will discuss a simple concept of the Generate double pyramid number pattern in Java programming language.

In this post, we will learn how to create  different types of integrated pyramid number patterns in Java.

we can use for loop, while loop or do while loop to display different integrated pyramid number patterns.

 

Here, we will use for loop to print different integrated pyramid number patterns

Program 1

Generate Integrated pyramid number pattern 1

import java.util.Scanner;
class DoublePyramid1{
public static void main (String args[]){

Scanner scan=new Scanner(System.in);
//create a scanner object for input

System.out.print("Enter the number of rows\n");
int rows=scan.nextInt();//reads rows from user
for(int i=1; i<=rows; i++){    //print upper part
    for(int j=i; j<=rows; j++){
      System.out.print(j+" ");//print number with space }
}
System.out.println();//move to next line
}

for(int i=rows-1; i>=1; i--){  //print lower part
    for(int j=i; j<=rows; j++){
      System.out.print(j+" ");//print number with space
}
System.out.println();//move to next line
        }
    }
}

When the above code is executed, it produces the following result

Enter the number of rows
6
1  2  3  4  5  6
2  3  4  5  6
3  4  5  6
4  5  6 
5  6
6
5  6
4  5  6
3  4  5  6
2  3  4  5  6
1  2  3  4  5  6

 

Program 2

Generate Integrated pyramid number pattern 2

import java.util.Scanner;
class DoublePyramid3{
public static void main (String args[]){

Scanner scan=new Scanner(System.in);
//create a scanner object for input

System.out.print("Enter the number of rows\n");
int rows=scan.nextInt();//reads rows from user
for(int i=rows; i>=0; i--){    //print upper part
    for(int j=1; j<=i; j++){
      System.out.print(j+" ");//print number with space
}
System.out.println();//move to next line
}

for(int i=1; i<=rows; i++){  //print lower part
    for(int j=1; j<=i; j++){
      System.out.print(j+" ");//print number with space
}
System.out.println();//move to next line
        }
    }
}

When the above code is executed, it produces the following result

Enter the number of rows
6
1 2 3 4 5 6 
1 2 3 4 5 
1 2 3 4 
1 2 3
1 2
1
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
1 2 3 4 5 6

 

Program 3

Generate Integrated pyramid number pattern 3

import java.util.Scanner;
class DoublePyramid2{
public static void main (String args[]){

Scanner scan=new Scanner(System.in);
//create a scanner object for input

System.out.print("Enter the number of rows: ");
int rows=scan.nextInt();//reads rows from user
for(int i=1; i<=rows; i++){    //print upper part
    for(int j=1; j<=i; j++){
      System.out.print(" ");
}
for(int k=i; k<=rows; k++){
      System.out.print(k+" ");//print number with space
}
System.out.println();
}

for(int i=rows-1; i>=1; i--){  //print lower part
    for(int j=1; j<=i; j++){
      System.out.print(" ");//print space
}
for(int k=i; k<=rows; k++){
      System.out.print(k+" ");//print number with space
}
System.out.println();
        }
    }
}

When the above code is executed, it produces the following result

Enter the number of rows: 6
1   2   3   4   5   6
  2   3   4   5   6
    3   4   5   6
      4   5   6
        5   6
          6
        5   6
      4   5   6
    3   4   5   6
  2   3   4   5   6
1   2   3   4   5   6

 

Program 4

Generate Integrated pyramid number pattern 4

import java.util.Scanner;
class DiamondNumber4{
public static void main (String args[]){

Scanner scan=new Scanner(System.in);
//create a scanner object for input

System.out.print("Enter the number of rows: ");
int rows=scan.nextInt();//reads rows from user

for(int i=1; i<=rows; i++){    //print upper part
    for(int j=1; j<i; j++){
      System.out.print(" ");//print space
}
for(int j=i; j<=rows; j++){
      System.out.print(j);
}
System.out.println();
}

for(int i=rows-1; i>=1; i--){
  for(int j=1; j<i; j++){
      System.out.print(" ");//print space
}

for(int j=i; j<=rows; j++){  //print lower part
      System.out.print(j);//print number
}
System.out.println();//move to next line
        }
    }
}

When the above code is executed, it produces the following result

Enter the number of roes: 6
123456
  23456
    3456
      456
        56
          6
        56
      456
    3456
  23456
123456

 

 

 

Program 5

Generate double pyramid number pattern 5

import java.util.Scanner;
class DoublePyramid4{
public static void main (String args[]){

Scanner scan=new Scanner(System.in);
//create a scanner object for input

System.out.print("Enter the number of rows: ");
int rows=scan.nextInt();//reads rows from user
for(int i=1; i<=rows; i++){    //print upper part
    for(int j=1; j<=rows-i; j++){
      System.out.print(" ");
}
for(int k=1; k<=i; k++){
      System.out.print(k+" ");//print number with space
}
System.out.println();
}

for(int i=1; i<=rows-1; i++){  //print lower part
    for(int j=1; j<=i; j++){
      System.out.print(" ");
}
for(int k=1; k<=rows-i; k++){
      System.out.print(k+" ");//print number with space
}
System.out.println();
        }
    }
}

When the above code is executed, it produces the following result

Enter the number of rows: 6
         1
       1  2
     1  2  3
   1  2  3  4
  1  2  3  4  5
1  2  3  4  5  6
  1  2  3  4  5
    1  2  3  4
      1  2  3 
        1  2
          1

 

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Diamond number pattern in Java language
program to display Double pyramid number pattern in C++
Karmehavannan

I am Mr S.Karmehavannan. Founder and CEO of this website. This website specially designed for the programming learners and very especially programming beginners, this website will gradually lead the learners to develop their programming skill.

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