CiclosDos.java

public class CiclosDos{ 
  public static void main(String args[]){ 
   
   int i = 1, j = 99;
   
  System.out.println("Serie con for: ");
  for(i = 1; i <= 5; i++){
    if( i < 5 ){ 		
      System.out.print(i + ", ");
      System.out.print(j + ", ");
    } else{
      System.out.print(i + ", ");
      System.out.print(j);
   } 
   j--;
  }
  i = 1;
  j = 99;
  System.out.println("");

  System.out.println("Serie con while: ");
  while (i <= 5){
    if( i < 5 ){ 		
      System.out.print(i + ", ");
      System.out.print(j + ", ");
    } else{
      System.out.print(i + ", ");
      System.out.print(j);
  }
  i++;
  j--;
 }
  i = 1;
  j = 99;
  System.out.println("");
  
  System.out.println("Serie con do while: ");
  do{
  if( i< 5 ){ 		
      System.out.print(i + ", ");
      System.out.print(j + ", ");
    } else{
      System.out.print(i + ", ");
      System.out.print(j);
  }
  i++;
  j--;
  }while(i <= 5);
 }
}