Respuesta :

import java.util.function.Consumer;
public class ConsumerInterfaceExample {
static void printMessage(String name){
System.out.println("Hello "+name);
}
static void printValue(int val){
System.out.println(val);
}
public static void main(String[] args) {
// Referring method to String type Consumer interface
Consumer consumer1 = ConsumerInterfaceExample::printMessage;
consumer1.accept("John"); // Calling Consumer method
// Referring method to Integer type Consumer interface
Consumer consumer2 = ConsumerInterfaceExample::printValue;
consumer2.accept(12); // Calling Consumer method
}
}

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