java call parent constructor

1. After a subclass creates an instance, the class initialization method calls the initialization method of the parent class (except for Java. lang. object Class, Because Java. lang. object class does not have a parent class), and this call will be

Question one: Can Java constructors be inherited?The author of Java read a book said: "Java subclasses naturally inherit its superclass" non-private members.Normally Java constructors are set to public (if you do not write the constructor, Java

Subclasses can explicitly invoke the constructor of the parent class through the Super keyword. When the parent class does not provide a parameterless constructor, the constructor of the parent class must be explicitly called in the constructor of

JNI/NDK Development Guide (8) -- call constructor and parent class instance method, jnindk Reprinted please indicate the source: http://blog.csdn.net/xyang81/article/details/44002089 In Chapter 6th, we learned how to call Java static methods and

"Error:implicit Super constructor Pet () is undefined. Must explicitly invoke another constructor "　Remember one point: when you construct a subclass, you are bound to call the constructor of the parent class. Because the elements in the parent

In Java, the constructor of the parent class must be called during the subclass construction process because when there is an inheritance relationship, the Child class must inherit the content of the parent class, by what means? The answer is as

ArticleDirectory 2.2 destructor 2.3 copy constructor Code 4.1 4.2 running results 4.3 result Parsing Code 5.1 5.2 running results 5.3 Description 1. References Reference 1: constructor and destructor calling

Statement: Just touch Java soon, if you understand there are errors or deviations look at the strong criticism of the big guyCan the Java subclass inherit the constructor of the parent class?Parent Class Code:1 classFather {2String name;//it's not

1. Subclasses after the instance is created, the class initialization method calls the parent class's initialization method (except for the Java.lang.Object class, because the Java.lang.Object class does not have a parent class), and the call is

In Java, in the construction of a subclass, the constructor of its parent class must be called, because the subclass inherits the contents of the parent class and does so by what means. The answer is as follows: When you new a subclass object,