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Thread: Demonstrate the use of final, finally, and finalize in Java

  1. #1
    Join Date
    Apr 2020
    Posts
    1

    Demonstrate the use of final, finally, and finalize in Java

    Hello Everyone, I have completed my java certification and I am preparing myself for my upcoming interviews. I am finding the code examples to demonstrate the use of final, finally, and finalize. I have written some code which I mention below. Can anyone check it or suggest me is it right? I am preparing myself for an upcoming java interview and also looking to trending java questions. I am preparing 100 questions list from here and looking to more because I don't wanna lose any opportunity.

    Final:

    class FinalVarExample {
    public static void main( String args[])
    {
    final int a=10;
    a=50; /* Will result in an error as the value canít be changed now*/
    }


    Finally:

    lass FinallyExample {
    public static void main(String args[]){
    try {
    int x=100;
    }
    catch(Exception e) {
    System.out.println(e);
    }
    finally {
    System.out.println("finally block is executing");}
    }
    }
    }

    Finalize:

    class FinalizeExample {
    public void finalize() {
    System.out.println("Finalize is called");
    }
    public static void main(String args[])
    {
    FinalizeExample f1=new FinalizeExample();
    FinalizeExample f2=new FinalizeExample();
    f1= NULL;
    f2=NULL;
    System.gc();
    }
    }

  2. #2
    Join Date
    Nov 2020
    Posts
    1
    Thank you. I've just started learning Java. I see that this forum will be useful for me.

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