Erasure and Restrictions on Generics
Erasure and Restrictions on Generics The information on generics is used by the compiler but is not available at runtime. This is called type erasure. Generics are implemented using an…
Erasure and Restrictions on Generics The information on generics is used by the compiler but is not available at runtime. This is called type erasure. Generics are implemented using an…
A wildcard generic type has three forms ? ? extends T ? super T , where T is a generic type. Examples unbounded wildcard example Example shows an example of…
How To Define A Generic Class A generic type can be defined for a class or interface. A concrete type must be specified when using the class to create an…
The Queue interface is available in java.util package and extends the Collection interface. The queue collection is used to hold the elements about to be processed and provides various operations…
Introduction The stack is a subclass of Vector that implements a standard last-in, first-out stack. Stack only defines the default constructor, which creates an empty stack. The stack includes all…
A linked list is implemented using a linked structure. Nodes In a linked list, each element is contained in an object, called the node . When a new element is…
Following are few key points to note about ArrayList in Java - An ArrayList is a re-sizable array, also called a dynamic array. It grows its size to accommodate new…
Introduction To Set A set is an efficient data structure for storing and processing nonduplicate elements. You can create a set using one of its three concrete classes: HashSet TreeSet…
Introduction Choosing the best data structures and algorithms for a particular task is one of the keys to developing high-performance software. A data structure is a collection of data organized…
Not every object can be written to an output stream. Objects that can be so written are said to be serializable. A serializable object is an instance of the java.io.Serializable…