The official item, called the Locked Chest (Data value 95) was an 2011 April fools joke by the Mojang team. These items no longer appear, and cannot be obtained normally (using "/give 95" works).
Online mods, used by server administrators are a way of protecting the chest for each player to limit stealing and griefing.
Just right click
You can't make it, you have to find it in dungeon chests.
Like the PC/Mac edition, I'm pretty sure you can only get saddles in chests that spawn randomly in the world, such as dungeon chests, abandoned mine shaft chests, and stronghold chests.
You can get pumpkin seeds randomly in chests in dungeons in Minecraft.Pumpkin seeds in Minecraft can be crafted from pumpkins in the crafting grid.
As of Beta 1.4, cocoa beans couldn't be found ingame. You can only find them inside dungeon chests. You can read more about dungeon chests on Minecraft Wiki (the link is under "Sources and related links" below this answer).
Yes. And Minecraft Beta 1.8 with crafting, furnaces, chests and stuff is called "Minecraft Beta" or "Survival Mode".
From dungeon chests
Just right click
Melons are not found in any biome. You can only find melon seeds in chests that the world generates itself. This includes dungeon chests, abandoned mineshaft chests, and stronghold chests.
You can't make it, you have to find it in dungeon chests.
Like the PC/Mac edition, I'm pretty sure you can only get saddles in chests that spawn randomly in the world, such as dungeon chests, abandoned mine shaft chests, and stronghold chests.
String is a common drop from Spider and mob traps
They can get into your ender chest, but they will not be able to see your items. Contents of Ender chests are private for all players.
You find the amount of Silver Keys required to open it.
The "too many items" mod jacks up chests. Turn it off, or accept the limitation.
Watermelon seeds can only be found in chests near or in mineshafts.
Because they were so valuable i pretty sure