Player movement

Jumping is how players and mobs go up blocks. Players and most mobs can jump up 1 block at a time. Jumping is not needed for differences in height of 1/2 block or less. The default key for jumping is the space bar, which is also used for swimming. Jumping uses more hunger than walking. Sprinting and jumping is faster than normal sprinting, but it uses much more hunger.

Trivia

 * Slimes and Magma Cubes jump higher than a block, and they only move by jumping.
 * The player jumps exactly 1.249 blocks high. Tested by holding shift and jumping while in a vine.
 * Spiders can jump 3 blocks high, and they jump to attack.
 * The number of jumps you make is recorded in Statistics.