154   // Space inquiries (results in bytes)

   154   // Space inquiries (results in bytes)

   155   size_t initial_size();

   155   size_t initial_size();

   156   virtual size_t capacity() const = 0;  // The maximum number of object bytes the

   156   virtual size_t capacity() const = 0;  // The maximum number of object bytes the

   157                                         // generation can currently hold.

   157                                         // generation can currently hold.

   158   virtual size_t used() const = 0;      // The number of used bytes in the gen.

   158   virtual size_t used() const = 0;      // The number of used bytes in the gen.

   160   virtual size_t free() const = 0;      // The number of free bytes in the gen.

   159   virtual size_t free() const = 0;      // The number of free bytes in the gen.

   161 

   160 

   162   // Support for java.lang.Runtime.maxMemory(); see CollectedHeap.

   161   // Support for java.lang.Runtime.maxMemory(); see CollectedHeap.

   163   // Returns the total number of bytes  available in a generation

   162   // Returns the total number of bytes  available in a generation

   164   // for the allocation of objects.

   163   // for the allocation of objects.