java interface variables

The reason for the existence of three keywords in the interface:Public: Interfaces can be inherited by other interfaces, can also be implemented by classes, classes and interfaces, interfaces and interfaces may form a multi-level relationship, the

Java object-oriented interface (interface) (1)I. Java Interface An interface is a set of abstract methods and constant values. It is an abstract type in Java programming language. Ming. A class is a specific implementation body, and an interface

The Java Interface (Interface), a set of methods, is a collection of method features, an interface that has no method implementation of the characteristics of a method, so that these methods can be implemented in different places by different

Before learning the object-oriented design patterns, Java interfaces and abstract classes are vague and hard to understand. When I first learned the Java language, it was hard to understand why the concept of interfaces was required. Although

1. What is a Java Virtual Machine?A Java virtual machine is an imaginary machine that is simulated by software on an actual computer. The Java Virtual Machine has its own hardware, such as the processor, stack, and register. It also has the

  I. Basic interface knowledge 1. Java does not support multiple direct parent classes (Multi-inheritance) for a class, but multiple interfaces can be implemented, indirectly implements Multi-inheritance. 2. Interface-related design patterns: 1.

Original link: http://www.cnblogs.com/xdp-gacl/p/3651121.html The concept of an interface　　Java is only support single inheritance, but there are multiple inheritance in the reality of this phenomenon, such as "Golden Monkey is an animal", The

One, Java interfaceAn interface is an abstract type in Java, a collection of abstract methods, usually declared as interface. A class inherits the abstract method of an interface by inheriting the interface.Interfaces are not classes, and the way

Java virtual machine architecture, Java Virtual MachineLifecycle of a Java Virtual Machine A running java VM instance is responsible for running a java program. When a Java program is started, a virtual machine instance is born. When the program is

Interface (English: Interface), which is an abstract type in the Java programming language, is a collection of abstract methods, and interfaces are usually declared with Interface. A class inherits the abstract method of an interface by inheriting