In the video game "Team Fortress 2", which class is able to double jump?

The Scout class in the video game Team Fortress 2 is able to double jump due to their inherent abilities and mechanics. This class, armed with a scattergun and wielding incredible speed and mobility, is designed to be a nimble and evasive character on the battlefield. Double jump allows the Scout to quickly change direction in mid-air, dodge enemy attacks, and reach higher platforms that other classes cannot. It gives the Scout a significant advantage in combat situations, making them an excellent choice for players who prefer agility and hit-and-run tactics.