Java algorithm to make a straight pyramid -

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___________1 __________1 2 1 _________1 2 3 2 1 ________1 2 3 4 3 2 1 ______1 2 3 4 5 4 3 2 1 _____1 2 3 4 4 4 4 4 3 2 1 ___1 2 3 3 3 3 3 3 3 3 3 2 1 __1 2 2 2 2 2 2 2 2 2 2 2 2 2 1 _1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

i create pyramid using java? suggestion?

this surve purpose. can change number 5 number other 5. eg. 1,2,3,.. , 6,8

public static void main(string[] args) {       list<string> list = new linkedlist<string>();      for(int = 5; > 0; i-- ){         wrapwithnumber(list, i);     }       (string string : editlisttobeintriangleshape(list)) {         system.out.println(string);     }; }  /**       * wrap number strings in llist perticular number.  * @param list list of strings  * @param ba number need wrapp list with.  */ private void wrapwithnumber(list<string> list, final int ba) {      list.add(0, string.format("%d",ba));      (int = 1; < list.size(); i++) {         string newformat = "%1$d " + list.get(i) + " %1$d";         list.remove(list.get(i));         list.add(i,string.format(newformat, ba));     }      string lastformat = "%1$d";     for(int = 0; < 2 * list.size();i++){         lastformat += " %1$d";     }      if(list.size() != 1) {         list.add(string.format(lastformat, ba));     } }  /**  * arrage strings in list in triangular manner.  * @param list list of strings.  */ private list<string> editlisttobeintriangleshape(final list<string> list) {      final list<string> returnlist = new linkedlist<string>();      (int = list.size(); > 0; i--) {         string s = list.get(list.size()-i);         int possition = list.size()*2 + s.length()/2;         returnlist.add(string.format("%"+possition+"s", s));     }      return returnlist; }

out put of : 

                 1                1 2 1              1 2 3 2 1            1 2 3 4 3 2 1          1 2 3 4 5 4 3 2 1        1 2 3 4 4 4 4 4 3 2 1      1 2 3 3 3 3 3 3 3 3 3 2 1    1 2 2 2 2 2 2 2 2 2 2 2 2 2 1  1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

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