Java Pyramid 3 - Java Language Basics

Java examples for Language Basics:for

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Introduction

how to generate pyramid or triangle like given below using for loop. 

*
**
***
****
*****
*****
****
***
**
*

Demo Code


public class Main {
 
        public static void main(String[] args) {
               //from   w ww.ja  v a 2 s  .c  o  m
                for(int i=1; i<= 5 ;i++){
                       
                        for(int j=0; j < i; j++){
                                System.out.print("*");
                        }
                       
                        //generate a new line
                        System.out.println("");
                }
               
                //create second half of pyramid
                for(int i=5; i>0 ;i--){
                       
                        for(int j=0; j < i; j++){
                                System.out.print("*");
                        }
                       
                        //generate a new line
                        System.out.println("");
                }
 
        }
}

Result


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