Many javadoc fixes thanks to Celtic Minstrel

By: Dinnerbone <dinnerbone@dinnerbone.com>

paper-api/src/main/java/org/bukkit/material/Bed.java

@@ -51,7 +51,7 @@ public class Bed extends MaterialData implements Directional {
 
     /**
      * Configure this to be either the head or the foot of the bed
-     * @param isHeadOfBed
+     * @param isHeadOfBed True to make it the head.
      */
     public void setHeadOfBed(boolean isHeadOfBed) {
         setData((byte) (isHeadOfBed ? (getData() | 0x8) : (getData() & ~0x8)));

paper-api/src/main/java/org/bukkit/material/Directional.java

@@ -6,6 +6,7 @@ public interface Directional {
 
     /**
      * Sets the direction that this block is facing in
+     * @param face The facing direction
      */
     public void setFacingDirection(BlockFace face);
 

paper-api/src/main/java/org/bukkit/material/Door.java

@@ -37,7 +37,7 @@ public class Door extends MaterialData implements Directional {
 
     /**
      * Configure this door to be either open or closed;
-     * @param isOpen
+     * @param isOpen True to open the door.
      */
     public void setOpen(boolean isOpen) {
         setData((byte) (isOpen ? (getData() | 0x4) : (getData() & ~0x4)));
@@ -52,7 +52,7 @@ public class Door extends MaterialData implements Directional {
 
     /**
      * Configure this part of the door to be either the top or the bottom half;
-     * @param isTopHalf
+     * @param isTopHalf True to make it the top half.
      */
     public void setTopHalf(boolean isTopHalf) {
         setData((byte) (isTopHalf ? (getData() | 0x8) : (getData() & ~0x8)));

paper-api/src/main/java/org/bukkit/material/MaterialData.java

@@ -75,6 +75,7 @@ public class MaterialData {
     /**
      * Creates a new ItemStack based on this MaterialData
      *
+     * @param amount The stack size of the new stak
      * @return New ItemStack containing a copy of this MaterialData
      */
     public ItemStack toItemStack(int amount) {