MaxxselvaK

package FlyWeight;

public class Demo {
  public static void show() {
    SpreadSheet sheet = new SpreadSheet();
    sheet.setContent(0, 0, "Hello");
    sheet.setContent(1, 0, "World");
    sheet.setFontFamily(0, 0, "Arial");
    sheet.render();
  }

MaxxselvaK

package FlyWeight;

import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

public class CellPropertyFactory {
    Map<Integer, CellProperty> map;
    CellPropertyFactory(){
        map = new HashMap<>();

MaxxselvaK

package FlyWeight;

import java.util.Objects;

public class CellProperty {
    private final String fontFamily;
    private final int fontSize;
    private final boolean isBold;

    CellProperty(String fontFamily,int fontSize,boolean isBold){

MaxxselvaK

package FlyWeight;

public class SpreadSheet {
  private final int MAX_ROWS = 3;
  private final int MAX_COLS = 3;
  private CellPropertyFactory factory = new CellPropertyFactory();
  // In a real app, these values should not be hardcoded here.
  // They should be read from a configuration file.
  private final String fontFamily = "Times New Roman";
  private final int fontSize = 12;

MaxxselvaK

package FlyWeight;

public class Cell {
  private final int row;
  private final int column;
  private String content;
  private CellProperty properties;

  public Cell(int row, int column,CellProperty properties) {
    this.row = row;