diff --git a/src/be/jeffcheasey88/peeratcode/parser/java/JavaParser.java b/src/be/jeffcheasey88/peeratcode/parser/java/JavaParser.java
index c164893..d87bb65 100644
--- a/src/be/jeffcheasey88/peeratcode/parser/java/JavaParser.java
+++ b/src/be/jeffcheasey88/peeratcode/parser/java/JavaParser.java
@@ -48,6 +48,7 @@ public class JavaParser  extends Parser<JavaElement> {
 		//- Modifier
 		//- Type
 		//- Value
+		//- Operation
 		//- Variable
 		//- Function
 		//- Class
@@ -148,6 +149,24 @@ public class JavaParser  extends Parser<JavaElement> {
 			return false;
 		}).end((a,b) -> a);
 		
+		//OPERATION
+		StateTree<JavaElement> operation = new StateTree<>();
+		StateTree<JavaElement> operation_name = operation.then((validator) -> validator.validate((token) -> token.getType().equals(TokenType.NAME)));
+		operation_name.then((validator) -> validator.validate((token) -> token.getValue().equals("=")))
+			.then(new RedirectStateTree<>(value, (global, local) -> global.set(null)))
+			.then((validator) -> validator.validate((token) -> token.getValue().equals(";")))
+			.end((a,b) -> a);
+		StateTree<JavaElement> operation_call = operation_name.then((validator) -> validator.validate((token) -> token.getValue().equals(".")));
+		operation_call.then(operation_name);
+		StateTree<JavaElement> operation_begin = operation_name.then((validator) -> validator.validate((token) -> token.getValue().equals("(")));
+		StateTree<JavaElement> operation_end = operation_begin.then((validator) -> validator.validate((token) -> token.getValue().equals(")")));
+		operation_end.then(operation_call);
+		operation_end.then((validator) -> validator.validate((token) -> token.getValue().equals(";")))
+			.end((a,b) -> a);
+		StateTree<JavaElement> operation_value = operation_begin.then(new RedirectStateTree<>(value, (global, local) -> global.set(null)));
+		operation_value.then(operation_end);
+		operation_value.then((validator) -> validator.validate((token) -> token.getValue().equals("."))).then(operation_value);
+		
 		//VARIABLE
 		StateTree<JavaElement> variable = new StateTree<>();
 		StateTree<JavaElement> variable_mod = variable.then(new RedirectStateTree<>(modifier, (global, local) -> global.set("modifier", local)));
@@ -167,23 +186,32 @@ public class JavaParser  extends Parser<JavaElement> {
 			.end((a,b) -> a);
 		
 		StateTree<JavaElement> function_container = new StateTree<>();
+		function_container.then(variable);
+		function_container.then(operation);
 		
 		//FUNCTION
 		StateTree<JavaElement> function = new StateTree<>();
 		StateTree<JavaElement> function_mod = function.then(new RedirectStateTree<>(modifier, (global, local) -> global.set("modifier", local)));
 		StateTree<JavaElement> function_type = function.then(new RedirectStateTree<>(type, (global, local) -> global.set("type", local)));
 		function_mod.then(function_type);
-		function.then((validator) -> validator.validate((token) -> token.getValue().equals("static")) && validator.validate((token) -> token.getValue().equals("{"))).end((a,b) -> a).multiple(function_container);
+		BuilderStateTree<JavaElement,JavaElement> function_static = function.then((validator) -> validator.validate((token) -> token.getValue().equals("static")) && validator.validate((token) -> token.getValue().equals("{"))).end((a,b) -> a);
+		function_static.multiple(function_container);
+		function_static.unique((validator) -> validator.validate((token) -> token.getValue().equals("}"))).end((a,b) -> a);
+		
 		StateTree<JavaElement> function_name = function_type.then((validator) -> validator.validate(
 				(token) -> token.getType().equals(TokenType.NAME),
 				(bag, token) -> bag.set(token)));
 		StateTree<JavaElement> function_begin = function_name.then((validator) -> validator.validate((token) -> token.getValue().equals("(")));
 		StateTree<JavaElement> function_end = function_begin.then((validator) -> validator.validate((token) -> token.getValue().equals(")")));
-		function_end.then((validator) -> validator.validate((token) -> token.getValue().equals("{"))).end((a,b) -> a).multiple(function_container);
+		BuilderStateTree<JavaElement,JavaElement> function_start =  function_end.then((validator) -> validator.validate((token) -> token.getValue().equals("{"))).end((a,b) -> a);
+		function_start.multiple(function_container);
+		function_start.unique((validator) -> validator.validate((token) -> token.getValue().equals("}"))).end((a,b) -> a);
 		
 		StateTree<JavaElement> function_throws = function_end.then((validator) -> validator.validate((token) -> token.getValue().equals("throws")))
 				.then(new RedirectStateTree<>(type, (global, local) -> global.set(null)));
-		function_throws.then((validator) -> validator.validate((token) -> token.getValue().equals("{"))).end((a,b) -> a).multiple(function_container);
+		BuilderStateTree<JavaElement,JavaElement> function_start_throws = function_throws.then((validator) -> validator.validate((token) -> token.getValue().equals("{"))).end((a,b) -> a);
+		function_start_throws.multiple(function_container);
+		function_start_throws.unique((validator) -> validator.validate((token) -> token.getValue().equals("}"))).end((a,b) -> a);
 		function_throws.then((validator) -> validator.validate((token) -> token.getValue().equals(","))).then(function_throws);
 		
 		
diff --git a/src/be/jeffcheasey88/peeratcode/parser/state/BuilderStateTree.java b/src/be/jeffcheasey88/peeratcode/parser/state/BuilderStateTree.java
index 9ff88e0..9108e4f 100644
--- a/src/be/jeffcheasey88/peeratcode/parser/state/BuilderStateTree.java
+++ b/src/be/jeffcheasey88/peeratcode/parser/state/BuilderStateTree.java
@@ -14,6 +14,7 @@ public class BuilderStateTree<E, B> extends StateTree<B>{
 	
 	private List<StateTree<E>> childs;
 	private List<StateTree<B>> multiple;
+	private List<StateTree<B>> unique;
 
 	public BuilderStateTree(BiFunction<E, Bag, B> builder){
 		super();
@@ -21,6 +22,7 @@ public class BuilderStateTree<E, B> extends StateTree<B>{
 		
 		this.childs = new ArrayList<>();
 		this.multiple = new ArrayList<>();
+		this.unique = new ArrayList<>();
 	}
 	
 	B build(TokenValidator validator, E element){
@@ -46,6 +48,24 @@ public class BuilderStateTree<E, B> extends StateTree<B>{
 				}
 			}
 		}
+		
+		for(StateTree<B> state : this.unique){
+			TokenValidator branch = validator.branch();
+			if(state.checker == null){
+				if((builded = state.internalSeed(branch, build)) != null){
+					validator.merge(branch);
+					builded.build(validator, build);
+				}
+			}else{
+				if(state.checker.apply(branch)){
+					builded = state.internalSeed(branch, build);
+					if(builded == null) break;
+					validator.merge(branch);
+					builded.build(validator, build);
+				}
+			}
+		}
+		
 		BuilderStateTree<E, ?> sub_builded;
 		for(StateTree<E> child : this.childs){
 			TokenValidator branch = validator.branch();
@@ -84,4 +104,21 @@ public class BuilderStateTree<E, B> extends StateTree<B>{
 		this.multiple.add(child);
 		return child;
 	}
+	
+	public <T extends StateTree<B>> StateTree<B> multiple(Function<TokenValidator, Boolean> checker){
+		StateTree<B> state = new StateTree<>();
+		state.checker = checker;
+		return multiple(state);
+	}
+	
+	public <T extends StateTree<B>> StateTree<B> unique(StateTree<B> child){
+		this.unique.add(child);
+		return child;
+	}
+
+	public <T extends StateTree<B>> StateTree<B> unique(Function<TokenValidator, Boolean> checker){
+		StateTree<B> state = new StateTree<>();
+		state.checker = checker;
+		return unique(state);
+	}
 }