java - Printing a shape based on inputs from the user -

i trying print shape based on input; shape "x". inputs must positive odd ints, , arbitrary brush character. have code completed user input, need code prints shape. here have far:

 public class testprogram {      public static void main(string[] args) {         int height = 5;//any positive odd int 5 not work correctly. not sure going on.         char brush = '*';          (int row = 0; row < height/2; row++) {             (int = row; > 0; i--) {                 system.out.print(" ");             }              system.out.print(brush);              (int = (height/2); >= 2*row; i--) {                 system.out.print(" ");              }              system.out.print(brush);             system.out.print("\n");          }          (int row = 1; row < (height/2)+1; row++ ) {             system.out.print(" ");          }         system.out.print(brush);         system.out.print("\n");          (int row = (height/2)-1; row >= 0; row--) {             (int = row; > 0; i--) {                 system.out.print(" ");             }              system.out.print(brush);              (int = (height/2); >= 2*row; i--) {                 system.out.print(" ");              }              system.out.print(brush);             system.out.print("\n");          }          (int row = 1; row < (height/2)+1; row++ ) {             system.out.print(" ");          }      } } 

i start routine repeat char n times. like

private static string repeat(char ch, int count) {     stringbuilder sb = new stringbuilder();     (int = 0; < count; i++) {         sb.append(ch);     }     return sb.tostring(); } 

then, prefer build string stringbuilder , repeat routine. like

int height = 5; char brush = '*'; char space = ' '; int half = height / 2; stringbuilder sb = new stringbuilder(); (int row = 0; row < half; row++) {     int cols = height - ((row + 1) / 2);     sb.append(repeat(space, row)).append(brush);     sb.append(repeat(space, cols)).append(brush);     sb.append(system.lineseparator()); } sb.append(repeat(space, half)).append(brush); sb.append(system.lineseparator()); (int row = half - 1; row >= 0; row--) {     int cols = height - ((row + 1) / 2);     sb.append(repeat(space, row)).append(brush);     sb.append(repeat(space, cols)).append(brush);     sb.append(system.lineseparator()); } system.out.println(sb.tostring()); 

since haven't learned buffered io yet, expressed as

int height = 5; char brush = '*'; char space = ' '; int half = height / 2; (int row = 0; row < half; row++) {     int cols = height - ((row + 1) * 2);     system.out.print(repeat(space, row));     system.out.print(brush);     system.out.print(repeat(space, cols));     system.out.println(brush); } system.out.print(repeat(space, height / 2)); system.out.println(brush); (int row = (height / 2) - 1; row >= 0; row--) {     int cols = height - ((row + 1) * 2);     system.out.print(repeat(space, row));     system.out.print(brush);     system.out.print(repeat(space, cols));     system.out.println(brush); } 

and if don't know how create method,

int height = 5; char brush = '*'; char space = ' '; int half = height / 2; (int row = 0; row < half; row++) {     int cols = height - ((row + 1) * 2);     (int t = 0; t < row; t++) {         system.out.print(space);     }     system.out.print(brush);     (int t = 0; t < cols; t++) {         system.out.print(space);     }     system.out.println(brush); } (int t = 0; t < height / 2; t++) {     system.out.print(space); } system.out.println(brush); (int row = (height / 2) - 1; row >= 0; row--) {     int cols = height - ((row + 1) * 2);     (int t = 0; t < row; t++) {         system.out.print(space);     }     system.out.print(brush);     (int t = 0; t < cols; t++) {         system.out.print(space);     }     system.out.println(brush); }