catchsudheera

sudo sed -i 's|http://ports.ubuntu.com/ubuntu-ports|http://old-releases.ubuntu.com/ubuntu|g' /etc/apt/sources.list
sudo apt update && sudo apt upgrade -y
sudo sed -i 's|lunar|mantic|g' /etc/apt/sources.list
sudo apt update && sudo apt upgrade -y

# Had to fix the installs for libc6
sudo apt --fix-broken install

sudo apt dist-upgrade

jewelsea

import javafx.application.Application;
import javafx.collections.*;
import javafx.event.EventHandler;
import javafx.scene.*;
import javafx.scene.chart.*;
import javafx.scene.control.Label;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;