functional interface java
A functional interface is an interface that contains only one abstract method. They can have only one functionality to exhibit.functional interface java
A functional interface is an interface that contains only one abstract method. They can have only one functionality to exhibit.interface in java
Interfaces specify what a class must do.
It is the blueprint of the class.
It is used to achieve total abstraction.
We are using implements keyword for interface.
Basic statement we all know in Selenium is
WebDriver driver = new FirefoxDriver();
WebDriver itself is an Interface.
So we are initializing Firefox browser
using Selenium WebDriver.
It means we are creating a reference variable
of the interface and creating an Object.
So WebDriver is an Interface and
FirefoxDriver is a class.java interface
public interface Exampleinterface {
public void menthod1();
public int method2();
}
class ExampleInterfaceImpl implements ExampleInterface {
public void method1()
{
//code here
}
public int method2()
{
//code here
}
}syntax for java interfaces
class ClassName [ extends SuperClassName ]
[ implements InterfaceName1 [, Interface Name2 �] ) {
class body
}java define interface
/* File name : Animal.java */
interface Animal {
public void eat();
public void travel();
}how to declare a interface in java
// Assume we have the simple interface:
interface Appendable {
void append(string content);
}
// We can implement it like that:
class SimplePrinter implements Appendable {
public void append(string content) {
System.out.println(content);
}
}
// ... and maybe like that:
class FileWriter implements Appendable {
public void append(string content) {
// Appends content into a file
}
}
// Both classes are Appendable.
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