generic function in java

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Bloody Buffalo answered on October 31, 2020 Popularity 10/10 Helpfulness 1/10

answer generic function in java

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generic function in java

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Generic Function In Java

public class GenericFunction {
    public static void main(String[] args) {
        Integer[] intArray  = {1,2,3,4,5,6,7};
        Double[] doubleArray = {1.1,2.2,3.3,4.4,5.0};
        Character[] charArray = {'a' , 'b' , 'c' , 'd' , 'e'};
        System.out.println("Integer Array :");
        genericFunction(intArray);
        System.out.println();
        System.out.println("Double Array : ");
        genericFunction(doubleArray);
        System.out.println();
        System.out.println("Character Array : ");
        genericFunction(charArray);

    }
	// Generic Function In Java
    public static <T> void genericFunction(T[] nums){
        for(T element : nums){
            System.out.print(element + " ");
        }
    }
}

Any Query contect me @AkashKumar

Popularity 10/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: generic-function java

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Contributed on Feb 23 2023

Bloody Buffalo

0 Answers Avg Quality 2/10

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java generic type method

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// generic methods

public <T> List<T> fromArrayToList(T[] a) {   
	    return Arrays.stream(a).collect(Collectors.toList());
	}

public static <T, G> List<G> fromArrayToList(T[] a, Function<T, G> mapperFunction) {
	    return Arrays.stream(a)
	      .map(mapperFunction)
	      .collect(Collectors.toList());
	}

// bounded generics

public <T extends Number> List<T> fromArrayToList(T[] a) {
	    ...
	}

//multiple bounds

<T extends Number & Comparable>

// upper bound wildcards

public static void paintAllBuildings(List<? extends Building> buildings) {
	    ...
	}
    
// lower bound wildcard

<? super T>

Popularity 10/10 Helpfulness 2/10 Language java

Source: www.baeldung.com

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Contributed on Oct 31 2020

DevPedrada

0 Answers Avg Quality 2/10

generic method java

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// Generic method example 1
<T> void fromArrayToCollection(T[] a, Collection<T> c){
    for (T o: a){
        c.add(o);
    }
}

// Generic method example 2
public static <T extends SomeClass & SomeInterface> methodName(T o){
    o.setterMethod(123);
}

// Generic method example 3
public static <T> Stack <T> loadFromArray(Object[] arr, Class<T> type){
    Stack <T> stack = new StackArray<>(arr.length);
    for (Object o:arr){
        if (type.isInstance(o)){
            stack.push( (T) o); // type checking with "isInstance" and casting. "instanceof" will not work here.
        }
    }
}
<Car> c = loadFromArray(object_arr_of_cars, Car.class);

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Tags: generic-method gene

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Contributed on Dec 24 2023

Innocent Iguana

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generics in java

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public <T> List<T> fromArrayToList(T[] a) {   
    return Arrays.stream(a).collect(Collectors.toList());
}

Popularity 10/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: generics generic

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Contributed on May 07 2022

Modern Macaque

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java generics example

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public class Box<T> {
    private T content;
    
    public void setContent(T content) {
        this.content = content;
    }
    
    public T getContent() {
        return content;
    }
}

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Source: chat.openai.com

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Contributed on Feb 19 2024

Hilarious Herring

0 Answers Avg Quality 2/10

Create Generic Method

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public static T GetQueryString<T>(string key, T defaultValue) {...}

Popularity 10/10 Helpfulness 1/10 Language csharp

Source: stackoverflow.com

Tags: c# c

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Contributed on Jun 30 2021

Adorable Armadillo

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generic function in java

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