Adding @Override declarations

They are important, as they prevent miss-spelling the parent method  and
/or arguments name.

src/api/java/AST.java

@@ -29,6 +29,7 @@ public class AST extends Z3Object implements Comparable<AST>
      * 
      * @param o another AST
      **/    
+    @Override
     public boolean equals(Object o)
     {
         AST casted = null;
@@ -56,6 +57,7 @@ public class AST extends Z3Object implements Comparable<AST>
      * positive if after else zero.
      * @throws Z3Exception on error
      **/
+    @Override
     public int compareTo(AST other)
     {
         if (other == null)
@@ -74,6 +76,7 @@ public class AST extends Z3Object implements Comparable<AST>
      * 
      * @return A hash code
      **/
+    @Override
     public int hashCode()
     {
         int r = 0;
@@ -188,6 +191,7 @@ public class AST extends Z3Object implements Comparable<AST>
     /**
      * A string representation of the AST.
      **/
+    @Override
     public String toString()
     {
         try
@@ -217,6 +221,7 @@ public class AST extends Z3Object implements Comparable<AST>
         super(ctx, obj);
     }
 
+    @Override
     void incRef(long o)
     {
         // Console.WriteLine("AST IncRef()");
@@ -226,6 +231,7 @@ public class AST extends Z3Object implements Comparable<AST>
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         // Console.WriteLine("AST DecRef()");

src/api/java/ASTDecRefQueue.java

@@ -29,6 +29,7 @@ class ASTDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class ASTDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/ASTMap.java

@@ -101,6 +101,7 @@ class ASTMap extends Z3Object
     /**
      * Retrieves a string representation of the map.
      **/
+    @Override
     public String toString()
     {
         try
@@ -122,12 +123,14 @@ class ASTMap extends Z3Object
         super(ctx, Native.mkAstMap(ctx.nCtx()));
     }
 
+    @Override
     void incRef(long o)
     {
         getContext().getASTMapDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getASTMapDRQ().add(o);

src/api/java/ASTVector.java

@@ -87,6 +87,7 @@ public class ASTVector extends Z3Object
     /**
      * Retrieves a string representation of the vector.
      **/
+    @Override
     public String toString()
     {
         try
@@ -108,12 +109,14 @@ public class ASTVector extends Z3Object
         super(ctx, Native.mkAstVector(ctx.nCtx()));
     }
 
+    @Override
     void incRef(long o)
     {
         getContext().getASTVectorDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getASTVectorDRQ().add(o);

src/api/java/ApplyResult.java

@@ -63,6 +63,7 @@ public class ApplyResult extends Z3Object
     /**
      * A string representation of the ApplyResult.
      **/
+    @Override
     public String toString()
     {
         try
@@ -79,12 +80,14 @@ public class ApplyResult extends Z3Object
         super(ctx, obj);
     }
 
+    @Override
     void incRef(long o)
     {
         getContext().getApplyResultDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getApplyResultDRQ().add(o);

src/api/java/ApplyResultDecRefQueue.java

@@ -29,6 +29,7 @@ class ApplyResultDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class ApplyResultDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/AstMapDecRefQueue.java

@@ -29,6 +29,7 @@ class ASTMapDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class ASTMapDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/AstVectorDecRefQueue.java

@@ -29,6 +29,7 @@ class ASTVectorDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class ASTVectorDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/BitVecNum.java

@@ -61,6 +61,7 @@ public class BitVecNum extends BitVecExpr
     /**
      * Returns a string representation of the numeral.
      **/
+    @Override
     public String toString()
     {
         try

src/api/java/Expr.java

@@ -206,6 +206,7 @@ public class Expr extends AST
     /**
      * Returns a string representation of the expression.
      **/
+    @Override
     public String toString()
     {
         return super.toString();
@@ -2117,6 +2118,7 @@ public class Expr extends AST
         }
     }
 
+    @Override
     void checkNativeObject(long obj)
     {
         if (!Native.isApp(getContext().nCtx(), obj) && 

src/api/java/FiniteDomainNum.java

@@ -63,6 +63,7 @@ public class FiniteDomainNum extends FiniteDomainExpr
     /**
      * Returns a string representation of the numeral.
      **/
+    @Override
     public String toString()
     {
         try

src/api/java/Fixedpoint.java

@@ -252,6 +252,7 @@ public class Fixedpoint extends Z3Object
     /**
      * Retrieve internal string representation of fixedpoint object.
      **/
+    @Override
     public String toString()
     {
         try
@@ -353,12 +354,14 @@ public class Fixedpoint extends Z3Object
         super(ctx, Native.mkFixedpoint(ctx.nCtx()));
     }
 
+    @Override
     void incRef(long o)
     {
         getContext().getFixedpointDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getFixedpointDRQ().add(o);

src/api/java/FixedpointDecRefQueue.java

@@ -29,6 +29,7 @@ class FixedpointDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class FixedpointDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/FuncDecl.java

@@ -29,6 +29,7 @@ public class FuncDecl extends AST
     /**
      * Object comparison.
      **/
+    @Override
     public boolean equals(Object o)
     {
         FuncDecl casted = null;
@@ -58,6 +59,7 @@ public class FuncDecl extends AST
     /**
      * A string representations of the function declaration.
      **/
+    @Override
     public String toString()
     {
         try
@@ -72,6 +74,7 @@ public class FuncDecl extends AST
     /**
      * Returns a unique identifier for the function declaration.
      **/
+    @Override
     public int getId()
     {
         return Native.getFuncDeclId(getContext().nCtx(), getNativeObject());

src/api/java/FuncInterp.java

@@ -70,6 +70,7 @@ public class FuncInterp extends Z3Object
         /**
          * A string representation of the function entry.
          **/
+        @Override
         public String toString()
         {
             try
@@ -91,12 +92,14 @@ public class FuncInterp extends Z3Object
             super(ctx, obj);
         }
 
+        @Override
         void incRef(long o)
         {
             getContext().getFuncEntryDRQ().incAndClear(getContext(), o);
             super.incRef(o);
         }
 
+        @Override
         void decRef(long o)
         {
             getContext().getFuncEntryDRQ().add(o);
@@ -192,12 +195,14 @@ public class FuncInterp extends Z3Object
         super(ctx, obj);
     }
 
+    @Override
     void incRef(long o)
     {
         getContext().getFuncInterpDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getFuncInterpDRQ().add(o);

src/api/java/FuncInterpDecRefQueue.java

@@ -29,6 +29,7 @@ class FuncInterpDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class FuncInterpDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/FuncInterpEntryDecRefQueue.java

@@ -29,6 +29,7 @@ class FuncInterpEntryDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class FuncInterpEntryDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/GoalDecRefQueue.java

@@ -29,6 +29,7 @@ class GoalDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class GoalDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/IntSymbol.java

@@ -46,6 +46,7 @@ public class IntSymbol extends Symbol
         super(ctx, Native.mkIntSymbol(ctx.nCtx(), i));
     }
 
+    @Override
     void checkNativeObject(long obj)
     {
         if (Native.getSymbolKind(getContext().nCtx(), obj) != Z3_symbol_kind.Z3_INT_SYMBOL

src/api/java/Model.java

@@ -282,6 +282,7 @@ public class Model extends Z3Object
      * 
      * @return A string representation of the model.
      **/
+    @Override
     public String toString()
     {
         try
@@ -298,12 +299,14 @@ public class Model extends Z3Object
         super(ctx, obj);
     }
 
+    @Override
     void incRef(long o)
     {
         getContext().getModelDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getModelDRQ().add(o);

src/api/java/ModelDecRefQueue.java

@@ -29,6 +29,7 @@ class ModelDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class ModelDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/Optimize.java

@@ -112,8 +112,9 @@ public class Optimize extends Z3Object
 
 	/**
 	 * Print a string representation of the handle.
-	 **/        	   	
-        public String toString() 
+	 **/
+    @Override
+    public String toString()
         {
             return getValue().toString();
         }
@@ -237,7 +238,8 @@ public class Optimize extends Z3Object
     
     /**
      *  Print the context to a String (SMT-LIB parseable benchmark).
-     **/        	
+     **/
+    @Override
     public String toString()
     {
 	return Native.optimizeToString(getContext().nCtx(), getNativeObject());
@@ -262,13 +264,14 @@ public class Optimize extends Z3Object
 	super(ctx, Native.mkOptimize(ctx.nCtx()));
     }
 
-    
+    @Override
     void incRef(long o)
     {
         getContext().getOptimizeDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getOptimizeDRQ().add(o);

src/api/java/OptimizeDecRefQueue.java

@@ -29,6 +29,7 @@ class OptimizeDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class OptimizeDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/ParamDescrs.java

@@ -72,6 +72,7 @@ public class ParamDescrs extends Z3Object
     /**
      * Retrieves a string representation of the ParamDescrs.
      **/
+    @Override
     public String toString()
     {
         try
@@ -88,12 +89,14 @@ public class ParamDescrs extends Z3Object
         super(ctx, obj);
     }
 
+    @Override
     void incRef(long o)
     {
         getContext().getParamDescrsDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getParamDescrsDRQ().add(o);

src/api/java/ParamDescrsDecRefQueue.java

@@ -29,6 +29,7 @@ class ParamDescrsDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class ParamDescrsDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/Params.java

@@ -112,6 +112,7 @@ public class Params extends Z3Object
     /**
      * A string representation of the parameter set.
      **/
+    @Override
     public String toString()
     {
         try
@@ -128,12 +129,14 @@ public class Params extends Z3Object
         super(ctx, Native.mkParams(ctx.nCtx()));
     }
 
+    @Override
     void incRef(long o)
     {
         getContext().getParamsDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getParamsDRQ().add(o);

src/api/java/ParamsDecRefQueue.java

@@ -29,6 +29,7 @@ class ParamsDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class ParamsDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/Pattern.java

@@ -50,6 +50,7 @@ public class Pattern extends AST
     /**
      * A string representation of the pattern.
      **/
+    @Override
     public String toString()
     {
         try

src/api/java/Probe.java

@@ -51,12 +51,14 @@ public class Probe extends Z3Object
         super(ctx, Native.mkProbe(ctx.nCtx(), name));
     }
 
+    @Override
     void incRef(long o)
     {
         getContext().getProbeDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getProbeDRQ().add(o);

src/api/java/ProbeDecRefQueue.java

@@ -29,6 +29,7 @@ class ProbeDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -40,6 +41,7 @@ class ProbeDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/RatNum.java

@@ -74,6 +74,7 @@ public class RatNum extends RealExpr
     /**
      * Returns a string representation of the numeral.
      **/
+    @Override
     public String toString()
     {
         try

src/api/java/Solver.java

@@ -315,6 +315,7 @@ public class Solver extends Z3Object
     /**
      * A string representation of the solver.
      **/
+    @Override
     public String toString()
     {
         try
@@ -332,12 +333,14 @@ public class Solver extends Z3Object
         super(ctx, obj);
     }
 
+    @Override
     void incRef(long o)
     {
         getContext().getSolverDRQ().incAndClear(getContext(), o);
         super.incRef(o);
     }
 
+    @Override
     void decRef(long o)
     {
         getContext().getSolverDRQ().add(o);

src/api/java/SolverDecRefQueue.java

@@ -26,6 +26,7 @@ class SolverDecRefQueue extends IDecRefQueue
         super(move_limit);
     }
 
+    @Override
     protected void incRef(Context ctx, long obj)
     {
         try
@@ -37,6 +38,7 @@ class SolverDecRefQueue extends IDecRefQueue
         }
     }
 
+    @Override
     protected void decRef(Context ctx, long obj)
     {
         try

src/api/java/Sort.java

@@ -30,6 +30,7 @@ public class Sort extends AST
      * @param o
      * @return
      **/
+    @Override
     public boolean equals(Object o)
     {
         Sort casted = null;

src/api/java/StringSymbol.java

@@ -44,6 +44,7 @@ public class StringSymbol extends Symbol
         super(ctx, Native.mkStringSymbol(ctx.nCtx(), s));
     }
 
+    @Override
     void checkNativeObject(long obj)
     {
         if (Native.getSymbolKind(getContext().nCtx(), obj) != Z3_symbol_kind.Z3_STRING_SYMBOL

src/api/java/Symbol.java

@@ -62,6 +62,7 @@ public class Symbol extends Z3Object
     /**
      * A string representation of the symbol.
      **/
+    @Override
     public String toString()
     {
         try