Public class Parent class {
Public String name="name of the parent class";
Public String parent name="name of the parent class";
Public class Child class extends ParentClass {
Private String the child the name;
}
Public static void main (String [] args) {
ChildClass child=new ChildClass ();
System. The out. Printing (child. ParentName);
}
}
After you've written in the ChildClass child=new ChildClass (); An error, why? Can we write the wrong inheritance itself, can't write this

CodePudding user response:

Baidu a Java classes inherit code, or you directly according to the copy of the book, you own write no place is right, solid knowledge have to learn the basis of a bit, right

CodePudding user response:

The

refer to the original poster hurricane 飗 response:

public class Parent class {
Public String name="name of the parent class";
Public String parent name="name of the parent class";
Public class Child class extends ParentClass {
Private String the child the name;
}
Public static void main (String [] args) {
ChildClass child=new ChildClass ();
System. The out. Printing (child. ParentName);
}
}
After you've written in the ChildClass child=new ChildClass (); An error, why? Whether inheritance is write wrong, can't write the

Case you noticed? Post the right code, the Child from the class looks,

CodePudding user response:

You this few lines of code is really horrible, do you want to subclass call the parent class attribute?
Public class Parent {
Public String name="name of the parent class";
Public String parent_name="superclass name";

Public static void main (String [] args) {
The Child Child=new Child ();
System. The out. Print (child. Parent_name);
}
}
The class Child extends the Parent {
Private String name;
}

CodePudding user response:

If take no account of problem of writing code, you are a subclass of the parent class inner class, so when the parent class instance is not created, cannot create inner class alone,

CodePudding user response:

1/f, reference source is a ghost reply:

baidu a Java classes inherit code, or you directly according to the copy of the book, you own write no place is right, solid knowledge have to learn the basis of a bit, right a bit

Thank you for your help

CodePudding user response:

reference Type11 reply: 3/f

you this few lines of code is really horrible, do you want to subclass call the parent class attribute?
Public class Parent {
Public String name="name of the parent class";
Public String parent_name="superclass name";

Public static void main (String [] args) {
The Child Child=new Child ();
System. The out. Print (child. Parent_name);
}
}
The class Child extends the Parent {
Private String name;
}

Thank you for your help

CodePudding user response:

reference 4 floor qq_39936465 response:

if take no account of problem of writing code, you are a subclass of the parent class inner class, so when the parent class instance is not created, cannot create inner class alone,

Thank you for your help