triangle shape

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triangle shape

Hi,

I have to create a program which its output is:

  1. +
  2. ++
  3. +++
  4. ++++

and this what I did so far :

package symbols; import java.util.*; public class Symbols {

public static void main(String[] args) {
 Scanner read = new Scanner (System.in);
 int nline, count, countl, nspace= 0, i;
 char symbol;
 System.out.print(" how many lines you want to print? ");
 nline= read.nextInt();
 System.out.print("what is the symbol you want to use ");
 symbol= read.next().charAt(0);
 for (countl=1; countl<=nline; countl++){
    System.out.print(symbol);
    System.out.println();
    for (count=1; count<=countl; count++)
        System.out.print(symbol);}
}

}

but this is what I get:

  1. +
  2. ++
  3. +++
  4. ++++
  5. ++++

I don't know why it keep giving me the last line twice !! what is the problem and who can I fix it ?

View Answers

December 8, 2012 at 10:46 AM

Here is a code that creates a triangle of the symbol.

import java.util.*;

 public class Symbols {
     public static void main(String[] args) {
      Scanner read = new Scanner (System.in);
      int nline, count, countl, nspace= 0, i;
      char symbol;
      System.out.print(" how many lines you want to print? ");
      nline= read.nextInt();
      System.out.print("what is the symbol you want to use: ");
      symbol= read.next().charAt(0);
      for (countl=1; countl<=nline; countl++){
        System.out.println();
        for(count=1; count<=countl; count++)
            System.out.print(symbol);
         }
    }
}

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