The controls for Minecraft can be found in more detail on the wiki:

Mouse Movement: Controls where the player is looking.
Left Click: Break Blocks
Right Click: Place Blocks
Scroll: Change Inventory Slot
W: Move Forwards
A: Strafe to the Left
S: Move Backwards
D: Strafe to the Right
E: Inventory
Q: Toss your Selected Item
1-9: Choose an Inventory Slot
Spacebar: Jump
Double-Spacebar: Enable/Disable Fly(if in Creative Mode)
Shift: Crouch or Descend while Flying.

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