int[] data = {120, 200, 300, 150, 250}; // Data representing the height of each bar
String[] labels = {"A", "B", "C", "D", "E"}; // Labels for each bar
int numBars = data.length;
int barWidth = 50;
int maxDataValue;
int barSpacing = 20;
int xOffset, yOffset;

void setup() {
  size(800, 600);
  maxDataValue = max(data);
  xOffset = (width - (barWidth + barSpacing) * numBars) / 2;
  yOffset = 50;
}

void draw() {
  background(255);
  
  // Drawing the bars
  for (int i = 0; i < numBars; i++) {
    int barHeight = (data[i] * (height - 2 * yOffset)) / maxDataValue;
    int barX = xOffset + i * (barWidth + barSpacing);
    int barY = height - yOffset - barHeight;
    color barColor = getColor(i); // Get color based on index
    fill(barColor);
    rect(barX, barY, barWidth, barHeight);
    
    // Display frequency on top of each bar
    fill(0);
    textAlign(CENTER, CENTER);
    text(data[i], barX + barWidth / 2, barY - 10);
    
    // Display label below each bar
    fill(0);
    text(labels[i], barX + barWidth / 2, height - 10);
  }
}

// Function to get color based on index
color getColor(int index) {
  switch (index % 3) {
    case 0:
      return color(255, 0, 0); // Red
    case 1:
      return color(0, 255, 0); // Green
    case 2:
      return color(0, 0, 255); // Blue
    default:
      return color(0); // Black
  }
}