Heh, API functions shouldn't be static...

src/main/java/com/gmail/nossr50/api/ExperienceAPI.java

@@ -14,7 +14,7 @@ public class ExperienceAPI {
      * @param player The player to check
      * @param skillType The skill to check
      */
-    private static void checkXP(Player player, SkillType skillType) {
+    private void checkXP(Player player, SkillType skillType) {
         if (skillType.equals(SkillType.ALL)) {
             Skills.XpCheckAll(player);
         }
@@ -32,7 +32,7 @@ public class ExperienceAPI {
      * @param skillType The skill to add XP to
      * @param XP The amount of XP to add
      */
-    public static void addRawXP(Player player, SkillType skillType, int XP) {
+    public void addRawXP(Player player, SkillType skillType, int XP) {
         Users.getProfile(player).addXPOverride(skillType, XP);
         checkXP(player, skillType);
     }
@@ -46,7 +46,7 @@ public class ExperienceAPI {
      * @param skillType The skill to add XP to
      * @param XP The amount of XP to add
      */
-    public static void addMultipliedXP(Player player, SkillType skillType, int XP) {
+    public void addMultipliedXP(Player player, SkillType skillType, int XP) {
         Users.getProfile(player).addXPOverrideBonus(skillType, XP);
         checkXP(player, skillType);
     }
@@ -60,7 +60,7 @@ public class ExperienceAPI {
      * @param skillType The skill to add XP to
      * @param XP The amount of XP to add
      */
-    public static void addXP(Player player, SkillType skillType, int XP) {
+    public void addXP(Player player, SkillType skillType, int XP) {
         Users.getProfile(player).addXP(skillType, XP);
         checkXP(player, skillType);
     }
@@ -74,7 +74,7 @@ public class ExperienceAPI {
      * @param skillType The skill to get XP for
      * @return the amount of XP in a given skill
      */
-    public static int getXP(Player player, SkillType skillType) {
+    public int getXP(Player player, SkillType skillType) {
         return Users.getProfile(player).getSkillXpLevel(skillType);
     }
 
@@ -87,7 +87,7 @@ public class ExperienceAPI {
      * @param skillType The skill to get the XP amount for
      * @return the amount of XP left before leveling up a specifc skill
      */
-    public static int getXPToNextLevel(Player player, SkillType skillType) {
+    public int getXPToNextLevel(Player player, SkillType skillType) {
         return Users.getProfile(player).getXpToLevel(skillType);
     }
 
@@ -100,7 +100,7 @@ public class ExperienceAPI {
      * @param skillType Type of skill to add levels to
      * @param levels Number of levels to add
      */
-    public static void addLevel(Player player, SkillType skillType, int levels) {
+    public void addLevel(Player player, SkillType skillType, int levels) {
         Users.getProfile(player).addLevels(skillType, levels);
     }
 
@@ -113,7 +113,7 @@ public class ExperienceAPI {
      * @param skillType The skill to get the level for
      * @return the level of a given skill
      */
-    public static int getLevel(Player player, SkillType skillType) {
+    public int getLevel(Player player, SkillType skillType) {
         return Users.getProfile(player).getSkillLevel(skillType);
     }
 
@@ -125,7 +125,7 @@ public class ExperienceAPI {
      * @param player The player to get the power level for
      * @return the power level of the player
      */
-    public static int getPowerLevel(Player player) {
+    public int getPowerLevel(Player player) {
         return Users.getProfile(player).getPowerLevel();
     }
 }

src/main/java/com/gmail/nossr50/api/PartyAPI.java

@@ -20,7 +20,7 @@ public class PartyAPI {
      * @param player The player to check the party name of
      * @return the name of the player's party
      */
-    public static String getPartyName(Player player) {
+    public String getPartyName(Player player) {
         return Users.getProfile(player).getParty();
     }
 
@@ -32,7 +32,7 @@ public class PartyAPI {
      * @param player The player to check
      * @return true if the player is in a party, false otherwise
      */
-    public static boolean inParty(Player player) {
+    public boolean inParty(Player player) {
         return Users.getProfile(player).inParty();
     }
 
@@ -45,7 +45,7 @@ public class PartyAPI {
      * @param playerb The second player to check
      * @return true if the two players are in the same party, false otherwise
      */
-    public static boolean inSameParty(Player playera, Player playerb) {
+    public boolean inSameParty(Player playera, Player playerb) {
         return Party.getInstance().inSameParty(playera, playerb);
     }
 
@@ -56,7 +56,7 @@ public class PartyAPI {
      *
      * @return the list of parties.
      */
-    public static ArrayList<String> getParties() {
+    public ArrayList<String> getParties() {
         String location = "plugins/mcMMO/mcmmo.users";
         ArrayList<String> parties = new ArrayList<String>();
 
@@ -96,7 +96,7 @@ public class PartyAPI {
      * @param player The player to check
      * @return all the players in the player's party
      */
-    public static ArrayList<Player> getPartyMembers(Player player) {
+    public ArrayList<Player> getPartyMembers(Player player) {
         return Party.getInstance().getPartyMembers(player);
     }