Java Object finalize() Method

Finalize() is the method of Object class. This method is called just before an object is garbage collected. finalize() method overrides to dispose system resources, perform clean-up activities and minimize memory leaks.

Syntax

Throw

Throwable - the Exception is raised by this method

Example 1

public class JavafinalizeExample1 {
     public static void main(String[] args) 
    { 
        JavafinalizeExample1 obj = new JavafinalizeExample1(); 
        System.out.println(obj.hashCode()); 
        obj = null; 
        // calling garbage collector  
        System.gc(); 
        System.out.println("end of garbage collection"); 

    } 
    @Override
    protected void finalize() 
    { 
        System.out.println("finalize method called"); 
    } 
}

Test it Now

Output:

2018699554
end of garbage collection 
finalize method called

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Java Object class