How can check if we can cast an object to another?

java

Solution

Something like this :-

import java.util.ArrayList;

public class qu
{
    public static void main(String args[])
    {
        ArrayList<String> ar1=new ArrayList<String>();
        ArrayList<Character> obj = new ArrayList<Character>();
        if(obj instanceof java.util.ArrayList)
            System.out.println("My problem Solved");
    }
}

Problem

How can check if we can cast an object to another? I have an object that it is an Arraylist of instances of an class that can be dynamically in 2 other class. How can I check that I can cast my object to each of them Arraylist class? For example: - My classes are class1, class2 and class3. - My object is obj. I want check it: ``` ArrayList<class1> ar1=new Arraylist<class1>(); ar1=(ArrayList<class1>)obj; ``` How can I check if it can be true or false?

Original source

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