# logic for pattern program

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Nishant Jain
logic for pattern program
5 Answer(s)      6 years and 3 months ago
Posted in : Java Beginners

what's the logic for create pattern program how can i create any pattern program with in minute. like this

```123454321     *
1234 4321    ***
123   321   *****
12     21    ***
1       1     *

123321       1         1
12  21      1212      2323
1    1     123123    345456
12  21    12341234  5678789
123321   1234512345
```

etc. i want know that how can i create this program in java without help whats the logic how can i understand that whoe's program code its make this type output

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February 24, 2011 at 1:17 PM

Java Pattern Example

``` *
* *
* * *
* *
*
public class PatternExample {
public static void main(String[] args) {
int num=3;
int p = num;
int q = 0;
for (int i = 0; i <= num; i++) {
for (int j = p; j>= 1; j-- )
System.out.print(" ");
p-=1;
for (int k = 1; k <= i; k++)
System.out.print ("* ");
System.out.println();
}
num-=1;
for (int i = 0; i<=num; i++) {
for (int j = num; j > i; j--)
System.out.print (" *");
System.out.println();
for (int k = 0; k <= q; k++)
System.out.print(" ");
q+=1;
}
}
}
```

February 24, 2011 at 5:44 PM

Java Pattern Example:

```123454321
1234 4321
123   321
12     21
1       1

public class PatternExample{
public static void main(String[] args){

int i,j,n=5;

for(i=0;i<=n;i++)
{
System.out.println();
for(j=1;j<=n-i;j++)
System.out.print(j);
for(j=0;j<2*i;j++)
System.out.print(" ");
for(j=n-i;j>0;j--)
System.out.print(j);
}
}
}
```

July 25, 2011 at 11:00 PM

```#include<stdio.h>
int main()
{
int i,j,n;
printf("Enter no");
scanf("%d",&n);
for(i=0;i<n;i++)
{
for(j=1;j<=n-i;j++)
printf("%d",j);
for(j=0;j<((i*2)-1);j++)
printf("*");
for(j=n-i;j>0;j--)
{
if(j==n)
{
}
else
printf("%d",j);
}
printf("\n");
}}
```

July 25, 2011 at 11:01 PM

```#include<stdio.h>

int main()

{

int i,j,n;

printf("Enter no");

scanf("%d",&n);

for(i=0;i<n;i++)

{

for(j=1;j<=n-i;j++)

printf("%d",j);

for(j=0;j<((i*2)-1);j++)

printf("*");

for(j=n-i;j>0;j--)

{

if(j==n)

{

}

else

printf("%d",j);

}

printf("\n");

}}
```

November 2, 2012 at 1:06 PM

5 5 5 5 5 4 4 4 4 3 3 3 2 2 1

import java.io.*; class reversepattern { public static void main(String args[]) { int i,j; for(i=5;i>=1;i--) { for(j=1;j<=i;j++) { System.out.print(i); System.out.print(" "); } System.out.println(" "); } } }

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