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Java Generic Functional Interface

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SAMER SAEID answered on December 6, 2020 Popularity 3/10 Helpfulness 1/10

answer Java Generic Functional Interface

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Java Generic Functional Interface

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@FunctionalInterface
interface MyInterface {
    String reverseString(String n);
}

Popularity 3/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java

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Contributed on May 25 2022

SAMER SAEID

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generics Interface in java

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/*In similar way, we can create generic interfaces in java. We can also have multiple type parameters as in Map interface. Again we can provide parameterized value to a parameterized type also, for example new HashMap<String, List<String>>(); is valid.*/
package java.lang;
import java.util.*;

public interface Comparable<T> {
    public int compareTo(T o);
}

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Source: www.journaldev.com

Tags: generics generic

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Contributed on Dec 06 2020

Terrible Toad

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generics Interface in java

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/*Suppose we want to restrict the type of objects that can be used in the parameterized type, for example in a method that compares two objects and we want to make sure that the accepted objects are Comparables. To declare a bounded type parameter, list the type parameter’s name, followed by the extends keyword, followed by its upper bound, similar like below method.

The invocation of these methods is similar to unbounded method except that if we will try to use any class that is not Comparable, it will throw compile-time error.

Bounded type parameters can be used with methods as well as classes and interfaces.

Java Generics supports multiple bounds also, i.e <T extends A & B & C>. In this case, A can be an interface or class. If A is class then B and C should be an interface. We can’t have more than one class in multiple bounds.*/
public static <T extends Comparable<T>> int compare(T t1, T t2){
		return t1.compareTo(t2);
	}

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Source: www.journaldev.com

Tags: generics generic

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Contributed on Dec 06 2020

Terrible Toad

0 Answers Avg Quality 2/10

generic functional interfaces

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ArgumentsProcessor<Double> doubleMultiplier = new ArgumentsProcessor<Double>() {
	@Override
	public Double process(Double arg1, Double arg2)
	{
	    return arg1 * arg2;
	} 
};

System.out.println(doubleMultiplier.process(4d, 6d));	//24.0

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Source: howtodoinjava.com

Tags: java

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Contributed on Dec 29 2022

Deepika Sahu

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Java Generic Functional Interface

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