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Lamda Tutorial
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<module fileurl="file://$PROJECT_DIR$/Lambda Tutorials.iml" filepath="$PROJECT_DIR$/Lambda Tutorials.iml" />
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<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
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package OOGreeting;
//Objectr Oriented way
public class Greeter {
public void greet(Greeting greeting) {
greeting.perform();
}
public static void main(String[] args) {
Greeter greeter = new Greeter();
//Greeting helloWorldGreeting = new HelloWorldGreeting();
//Both give same result. Lambda is shorter
Greeting lamdaGreeting = () -> System.out.println("Hello Lambda");
Greeting innerClassGreeting = new Greeting() {
@Override
public void perform() {
System.out.println("Hello Inner Class");
}
};
greeter.greet(lamdaGreeting);
greeter.greet(innerClassGreeting);
}
}
/*interface MyAdd {
int add(int a, int b);
}*/
package OOGreeting;
public interface Greeting {
public void perform();
}
package OOGreeting;
public class HelloWorldGreeting implements Greeting {
@Override
public void perform() {
System.out.println("Hello Interface");
}
}
<?xml version="1.0" encoding="UTF-8"?>
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</module>
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