Question

1-11-121-1331 triangle program in bluej

Answer 1

import java.util.*;
class series
{
public static void main(String[] args)
{
int i=0,j=0,a=6,k=0;        for(i=0; i<a; i++)        {            k=1;            for(j=0; j<(a+i); j++)            {               if(j<a-i-1)                    System.out.print(" ");                else                {                    System.out.print(""+k);                    if(j<(a-1))                        k++;                     else                        k--;                }            }            System.out.println(" ");        }    } }