Pattern 3

import java.io.*;

class Patterns3{

public static void main(String args[])throws IOException{

//declare all the variables at the beginning
int n,i,j;
    BufferedReader br = new BufferedReader( 
                new InputStreamReader(System.in));
    System.out.println("Enter the number of rows : ");
    n = Integer.parseInt(br.readLine());

    //loop to generate the number of terms in the series
    for(i = n; i >= 1; i--){
      for(j = i; j <= n; j++){
         System.out.print(j+" ");
        }//end of inner loop
      System.out.println();
    }//end of outer loop

  }//end of main
}//end of class