The basic operations in mine craft are;
A block can be destroyed if you click the left button of the mouse.
If you push the right button of the mouse, you can arrange a block.
If you press the number key, you will perform "item slot selection. "
If you do a wheel click, you will perform a "syringe function."
If you push the W key, The character moves forward
If the A key is pushed, your character will move to the left.
If the D key is pushed, your character will move to the right.
If you push the s key, The character moves backward
If the B key is pressed, you can open an inventory.
If the Space bar is pressed, your character will jump.
If the F key is pressed, you can change fog .
If the F5 buttan is pressed, you can shower in rain in the game.
When you are playing with multiple players (multi-play)
If the Tab key is pressed, you can open a player list.
If the T key is pressed, you can open a chat screen.
If the ESC key is pressed,,you can display the menu.
If the F11 key is pressed, you can change the size of the window between full screen and window mode.
Good luck.