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O5Consumer.java
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38 lines (28 loc) · 897 Bytes
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import java.util.function.Consumer;
import java.util.stream.IntStream;
public class O5Consumer {
public static void main(String[] args) {
// forEach tar inn en consumer
// Lag en formel som tar inn en consumer
IntStream.range(0, 100).forEach(System.out::println);
gjoerNoe(new Person("Anders Emil", 30), System.out::println);
}
public static void gjoerNoe(Person person, Consumer<Person> consumer) {
consumer.accept(person);
}
static class Person {
final String navn;
final int alder;
Person(String navn, int alder) {
this.navn = navn;
this.alder = alder;
}
@Override
public String toString() {
return "Person{" +
"navn='" + navn + '\'' +
", alder=" + alder +
'}';
}
}
}