float or double?
For most uses, double is the default floating-point data type to be used. Variables of type double offer higher accuracy and minimize truncation and deviation to a minimum. This is
For most uses, double is the default floating-point data type to be used. Variables of type double offer higher accuracy and minimize truncation and deviation to a minimum. This is
Java’s serialization provides an elegant, and easy to use mechanism for making an object’s state persistent. While controlling object serialization, we might have a particular object data member that we
A memory leak occurs when an application fails for some reason to release dynamic memory that was allocated using new or malloc().The application won’t reclaim the allocated memory because both
A standard in our shop is to provide keyboard shortcutswherever possible. We make extensive use of JOptionPaneobjects in dialogs for quick clarification and/or messages,but the buttons for “Yes”, “No”, “Ok”,
The compiler inserts temporary objects “behind your back” in several contexts. For time critical applications, the overhead of a temporary can be quite significant because both the constructor and the
When designing an exception class, think of it as a standalone class with data members and member functions. A well-designed exception class should have a member function that returns a
In general, the global new and delete operators are implemented in a thread-safe manner: each invocation of either operator locks the heap before performing the allocation/deallocation of memory and when