Number Pattern programs in java

Simple number pattern program in java

1)
Enter a number : 5

1
12
123
1234
12345

import java.util.Scanner;
public class Pattern1 {
 public static void main(String[] args) {
  Scanner scanner = new Scanner(System.in);
  System.out.println("Enter a number :");
  int n = scanner.nextInt();
  for (int i = 1; i <= n; i++) {
   for (int j = 1; j <= i; j++) {
    System.out.print(j);
   }
   System.out.println();
  }
 }
}

2)
Enter a number : 5

12345
1234
123
12
1

import java.util.Scanner;
public class Pattern2 {
 public static void main(String[] args) {
  Scanner scanner = new Scanner(System.in);
  System.out.println("Enter a number :");
  int n = scanner.nextInt();
  for (int i = n; i > 0; i--) {
   for (int j = 1; j <= i; j++) {
    System.out.print(j);
   }
   System.out.println();
  }
 }
}

3)
Enter a number :5

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

import java.util.Scanner;
public class Pattern3 {
 public static void main(String[] args) {
  Scanner scanner = new Scanner(System.in);
  System.out.println("Enter a number :");
  int n = scanner.nextInt();
  for (int i = 1; i <= n; i++) {
   for (int k = n; k > i; k--) {
    System.out.print(" ");
   }
   for (int j = 1; j <= i; j++) {
    System.out.print(j+" ");
   }
   System.out.println();
  }
 }
}

4)

Enter a number : 6

123456
  12345
    1234
      123
        12
          1

import java.util.Scanner;
public class Pattern4 {
 public static void main(String[] args) {
  Scanner scanner = new Scanner(System.in);
  System.out.println("Enter a number :");
  int n = scanner.nextInt();
  for (int i = n; i > 0; i--) {
   for (int k = n; k > i; k--) {
    System.out.print(" ");
   }
   for (int j = 1; j <= i; j++) {
    System.out.print(j);
   }
   System.out.println();
  }
 }
}

5)
Enter a number : 5

54321
4321
321
21
1

import java.util.Scanner;
public class Pattern5 {
 public static void main(String[] args) {
  Scanner scanner = new Scanner(System.in);
  System.out.println("Enter a number :");
  int n = scanner.nextInt();
  for (int i = n; i > 0; i--) {
   for (int j = i; j >= 1; j--) {
    System.out.print(j);
   }
   System.out.println();
  }
 }
}