Skip to main content

#PATTERN #SYMBOLPRINT #ALPHABET How to print alphabet symbols print in j...





Number Pattern Programs In Java :
Java programs to print the numbers or any other symbols in different patterns are one of the frequently asked interview programs mostly for freshers. 



Because, they test the candidate’s logical ability as well as coding skills which are ‘must have 

skills’ for any software engineer. In this post, I have collected some of the different number pattern programs in java and have tried to solve them. I hope they will be helpful for you guys.



Number Pattern Programs In Java
Pattern 

1 :
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 6 7 

 Java Program :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
import java.util.Scanner;

public class MainClass
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);

//Taking rows value from the user

System.out.println("How many rows you want in this pattern?");

int rows = sc.nextInt();

System.out.println("Here is your pattern....!!!");

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

System.out.println();
}

//Close the resources

sc.close();
}
}
Output :

How many rows you want in this pattern?
7
Here is your pattern….!!!
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 6 7

Pattern 2 :
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
6 6 6 6 6 6
7 7 7 7 7 7 7

Java Program :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
import java.util.Scanner;

public class MainClass
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);

//Taking rows value from the user

System.out.println("How many rows you want in this pattern?");

int rows = sc.nextInt();

System.out.println("Here is your pattern....!!!");

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

System.out.println();
}

 //Close the resources

sc.close();
}
}
Output :

How many rows you want in this pattern?
7
Here is your pattern….!!!
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
6 6 6 6 6 6
7 7 7 7 7 7 7

Pattern 3 :
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 6 7
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1

Java Program :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
import java.util.Scanner;

public class MainClass
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);

//Taking rows value from the user

System.out.println("How many rows you want in this pattern?");

int rows = sc.nextInt();

System.out.println("Here is your pattern....!!!");

//Printing upper half of the pattern

for (int i = 1; i <= rows; i++)
{
for (int j = 1; j <= i; j++)

 {
System.out.print(j+" ");
}

System.out.println();
}

 //Printing lower half of the pattern

for (int i = rows-1; i >= 1; i--)
{
for (int j = 1; j <= i; j++)
{

 System.out.print(j+" ");
}

System.out.println();
} 

 //Closing the resources

sc.close();
}
} 



Output :

How many rows you want in this pattern?
7
Here is your pattern….!!!
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 6 7
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1

Pattern 4 :
1 2 3 4 5 6 7
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1

Java Program :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
import java.util.Scanner;

public class MainClass
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);

//Taking rows value from the user

System.out.println("How many rows you want in this pattern?");

int rows = sc.nextInt();

System.out.println("Here is your pattern....!!!");

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

System.out.println();
}

//Closing the resources

sc.close();
}
}
Output :

How many rows you want in this pattern?
7
Here is your pattern….!!!
1 2 3 4 5 6 7
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1

[quads id=5]

Pattern 5 :
7 6 5 4 3 2 1
7 6 5 4 3 2
7 6 5 4 3
7 6 5 4
7 6 5
7 6
7

Java Program :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
import java.util.Scanner;

public class MainClass
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);

//Taking rows value from the user

System.out.println("How many rows you want in this pattern?");

int rows = sc.nextInt();

System.out.println("Here is your pattern....!!!");

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

System.out.println();
}

//Closing the resources

sc.close();
}
}

Output :

How many rows you want in this pattern?
7
Here is your pattern….!!!
7 6 5 4 3 2 1
7 6 5 4 3 2
7 6 5 4 3
7 6 5 4
7 6 5
7 6
7

Pattern 6 :
7
7 6
7 6 5
7 6 5 4
7 6 5 4 3
7 6 5 4 3 2
7 6 5 4 3 2 1

Java Program :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
import java.util.Scanner;

public class MainClass
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);

//Taking rows value from the user

System.out.println("How many rows you want in this pattern?");

int rows = sc.nextInt();

System.out.println("Here is your pattern....!!!");

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

System.out.println();
}

//Closing the resources

sc.close();
}
}
Output :

How many rows you want in this pattern?
7
Here is your pattern….!!!
7
7 6
7 6 5
7 6 5 4
7 6 5 4 3
7 6 5 4 3 2
7 6 5 4 3 2 1

Pattern 7 :
7 6 5 4 3 2 1
6 5 4 3 2 1
5 4 3 2 1
4 3 2 1
3 2 1
2 1
1

Java Program :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
import java.util.Scanner;

public class MainClass
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);

//Taking rows value from the user

System.out.println("How many rows you want in this pattern?");

int rows = sc.nextInt();

System.out.println("Here is your pattern....!!!");

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

System.out.println();
}

//Closing the resources

sc.close();
}
}
Output :

How many rows you want in this pattern?
7
Here is your pattern….!!!
7 6 5 4 3 2 1
6 5 4 3 2 1
5 4 3 2 1
4 3 2 1
3 2 1
2 1
1

Pattern 8 :
1 2 3 4 5 6 7
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4
1 2 3
1 2
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 6 7

Java Program :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
import java.util.Scanner;

public class MainClass
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);

//Taking rows value from the user

System.out.println("How many rows you want in this pattern?");

int rows = sc.nextInt();

System.out.println("Here is your pattern....!!!");

//Printing upper half of the pattern

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

System.out.println();
}

//Printing lower half of the pattern

for (int i = 2; i <= rows; i++)
{
for (int j = 1; j <= i; j++)
{
System.out.print(j+" ");
}

System.out.println();
}

//Closing the resources

sc.close();
}
}
Output :

How many rows you want in this pattern?
7
Here is your pattern….!!!
1 2 3 4 5 6 7
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4
1 2 3
1 2
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 6 7

Pattern 9 :
1
1 2 1
1 2 3 2 1
1 2 3 4 3 2 1
1 2 3 4 5 4 3 2 1
1 2 3 4 5 6 5 4 3 2 1
1 2 3 4 5 6 7 6 5 4 3 2 1

Java Program :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
import java.util.Scanner;

public class MainClass
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);

//Taking rows value from the user

System.out.println("How many rows you want in this pattern?");

int rows = sc.nextInt();

System.out.println("Here is your pattern....!!!");

for (int i = 1; i <= rows; i++)
{
//Printing first half of the row

for (int j = 1; j <= i; j++)
{
System.out.print(j+" ");
}

//Printing second half of the row

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

System.out.println();
}

//Closing the resources

sc.close();
}
}
Output :

How many rows you want in this pattern?
7
Here is your pattern….!!!
1
1 2 1
1 2 3 2 1
1 2 3 4 3 2 1
1 2 3 4 5 4 3 2 1
1 2 3 4 5 6 5 4 3 2 1
1 2 3 4 5 6 7 6 5 4 3 2 1

Pattern 10 :
1
2 1
3 2 1
4 3 2 1
5 4 3 2 1
6 5 4 3 2 1
7 6 5 4 3 2 1

Java Program :

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
import java.util.Scanner;

public class MainClass
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);

//Taking rows value from the user

System.out.println("How many rows you want in this pattern?");

int rows = sc.nextInt();

System.out.println("Here is your pattern....!!!");

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

 System.out.println();
}

//Close the resources

sc.close();
}
}

 Output :

How many rows you want in this pattern?

 7
Here is your pattern….!!!
1
2 1
3 2 1
4 3 2 1
5 4 3 2 1
6 5 4 3 2 1
7 6 5 4 3 2 1



1 2

Categories Java Interview Programs
Previous:How To Reverse An ArrayList In Java?Next:How To Format Date In Java?
510 Comments
Faizaan
September 2, 2016 (9:52 pm) #
I had fun playing around with this!

Comments

Post a Comment

Popular posts from this blog

How to Send OTP in Mobile Number | login with OTP mobile Number | How to send OTP in mobile no with Spring Boot APP

   ðŸ˜‚               Login with Mobile Number OTP ---------------------------------------------------------------------------- If you want to develop a project to log in with OTP mobile Number in Spring Boot Applications then this post for you. In this post, I am going to use some other service to send the OTP in mobile number. we have to use it in this project spring boot. we are going to use Twilio to send SMS. we are going to use a web socket to send the data from the browser to the SMS gateway. Oracle Database for store the user details. org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-thymeleaf 2.3.3.RELEASE com.twilio.sdk twilio 7.1.0 org.springframework.boot spring-boot-starter-websocket org.springframework.boot spring-boot-devtools runtime true package com.app; impo...
Post a Comment
Read more

How can we create Auto generated field or ID for mongodb using spring boot

😂 How can we create an Auto-generated field or ID for MongoDB using spring boot? First Create One Application Like Mongodb_sequence-id-generator Pom.XML org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-data-mongodb de.flapdoodle.embed de.flapdoodle.embed.mongo User.java package com.app; import org.springframework.data.annotation.Id; import org.springframework.data.annotation.Transient; import org.springframework.data.mongodb.core.mapping.Document; @Document(collection = "users_db") public class User { @Transient public static final String SEQUENCE_NAME = "users_sequence"; @Id private long id; private String firstName; private String lastName; private String email; public User() { } public User(String firstName, String lastName, String email) { this.firstName = firstName; this.lastName = la...
1 comment
Read more

Send Email with Spring Boot API | Spring Boot API send email

              😂How to Send Email with Spring Boot API In this post, we are going to implement a project like send an email to the given email Id with Spring Boot we can do this. In this project, users have to send emails and we have to send the email for forgetting the password. Send Email with Spring Boot API 1.pom.xml   Add this despondency . org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-devtools runtime true org.projectlombok lombok true org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-starter-mail 2.application.properties file Add this one server.port=8023 spring.mail.host=smtp.gmail.com spring.mail.port=587 spring.mail.username=technoidentity.vitalz@gmail.com spring.mail.password=technoidentity12345 # Other proper...
Post a Comment
Read more