Print the following pattern for given number N in java

Question: 

Print the following pattern for the given N number of rows.

Pattern for N = 4

1
21
321
4321

 Ans: package HelloWorld;

import java.util.Scanner;

public class LearningJava {

public static void main(String[] args) {

Scanner scan = new Scanner(System.in);

// Print the following pattern for the given N number of rows.

// Pattern for N = 4

// 1

// 21

// 321

// 4321

int n = scan.nextInt();

for(int i=1;i<=n;i++){

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

System.out.print(j);

}

System.out.println();

}

}

}

• yaha hamne j column ko i se start kiya hai, taaki i se start ho sake; j ko grater than rkha hai j ko se bdha rkha hai aur 1 tk ja rha hai , aur j-- decrement kiya hai .