generic class in java

YOU.com answered on April 27, 2020 Popularity 9/10 Helpfulness 1/10

answer generic class in java

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generic class in java

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public class Box<T> {
    private T contents;

    public void add(T item) {
        contents = item;
    }

    public T get() {
        return contents;
    }
}

Popularity 9/10 Helpfulness 1/10 Language java

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Contributed on Sep 11 2023

YOU.com

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generic classes in java

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// A Simple Java program to show multiple
// type parameters in Java Generics
  
// We use < > to specify Parameter type
class Test<T, U>
{
    T obj1;  // An object of type T
    U obj2;  // An object of type U
  
    // constructor
    Test(T obj1, U obj2)
    {
        this.obj1 = obj1;
        this.obj2 = obj2;
    }
  
    // To print objects of T and U
    public void print()
    {
        System.out.println(obj1);
        System.out.println(obj2);
    }
}
  
// Driver class to test above
class Main
{
    public static void main (String[] args)
    {
        Test <String, Integer> obj =
            new Test<String, Integer>("GfG", 15);
  
        obj.print();
    }
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: www.geeksforgeeks.org

Tags: java

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Contributed on Jan 10 2022

Better Butterfly

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What is generic class in java

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public class Box<T> {
    private T contents;

    public void setContents(T contents) {
        this.contents = contents;
    }

    public T getContents() {
        return contents;
    }
}

Popularity 9/10 Helpfulness 1/10 Language java

Source: chat.openai.com

Tags: class clas

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Contributed on Jun 18 2023

meet prajapati

0 Answers Avg Quality 2/10

java define a generic class that produces

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-1

List<String> list1 = new ArrayList<String>(); // java 7 ? List<String> list1 = new ArrayList<>(); 
list1.add("abc");
//list1.add(new Integer(5)); //compiler error

for(String str : list1){
     //no type casting needed, avoids ClassCastException
}

Popularity 10/10 Helpfulness 1/10 Language java

Source: www.journaldev.com

Tags: class clas

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Contributed on Apr 27 2020

Healthy Hornet

0 Answers Avg Quality 2/10

generic class in java

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