Zeek_Ch07_PractiseSet1.java

 

/* Write a method multiplication that gives multiplication table and use it in main method Create a method for this pattern Create a method for this pattern1 * **** ** *** *** ** **** * Create a method to find sum of first n natural numbers and use it in main method */

package com.company;

public class Zeek_Ch07_PractiseSet1 {

    public static void multiplication(int n) {

        System.out.printf("Multiplication table of n is:");

        System.out.println(" ");

        for(int i=0;i<11;i++) {

            System.out.printf("%d X %d = %d",n,i,n*i);

            System.out.println(" ");

             }

        }

    

     public static void pattern(int n) {

        for (int i=0;i<n;i++) {

            

            for (int j=0;j<i+1;j++) {

                System.out.print("*");

            }

            

            System.out.println(" ");

        }   

    }

     public static void pattern1(int n) {

        for (int i=n;i>0;i--) {

            

            for (int j=0;j<i;j++) {

                System.out.print("*");

            }

            

            System.out.println(" ");

        }   

    }

     public static int sumNatural(int n) {

        if(n==1) {

            return 1;

        }

        else {

                return n+ sumNatural(n-1);

        }

    }

    

    

    

    public static void main(String[] args) {

        multiplication(3);

        pattern(4);

        pattern1(4);

        int c=  sumNatural(3);

         System.out.print(c);

    }

}