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JAVA - 01 : Random Shape Printing - 01

Source Code: 



package BasicJava;

import java.util.Scanner;

public class PatternMyselfPractise {
    
    public static void main(String[] args) {
        
                    /*SampleOutput:
                        *        *
                        **      **
                        ***    ***
                        ****  ****
                        **********
                    */
        Scanner input = new Scanner(System.in);
        
        int a,b,c;
        
        System.out.println("How many lines:");
        a = input.nextInt(); 
        b = a;
        for (int i = 1; i <= a; i++) {
                for (int j = 1; j <= i; j++) {
                    System.out.print("*");
                            }
                for (int k =1 ; k <= 2*(b-1); k++) {
                            System.out.print(" ");
                }
                for (int l = 1; l <= i; l++) {
                                 System.out.print("*");
                }
            b--;
            System.out.println("");
             }
        }
    }

Sample Input-Output:


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