replace checkEqual with ObjectsCompat.equals

import java.util.List;

import java.util.Map;

import androidx.core.util.ObjectsCompat;

public class NextcloudRequest implements Serializable {

    private static final long serialVersionUID = 215521212534240L; //assign a long value

        NextcloudRequest rq = (NextcloudRequest)obj;

        boolean equal;

        equal  = checkEqual("accountName", this.accountName, rq.accountName);

        equal &= checkEqual("header", this.header, rq.header);

        equal &= checkEqual("method", this.method, rq.method);

        equal &= checkEqual("packageName", this.packageName, rq.packageName);

        equal &= checkEqual("parameter", this.parameter, rq.parameter);

        equal &= checkEqual("requestBody", this.requestBody, rq.requestBody);

        equal &= checkEqual("token", this.token, rq.token);

        equal &= checkEqual("url", this.url, rq.url);

        equal &= checkEqual("followRedirects", this.followRedirects, rq.followRedirects);

        equal  = ObjectsCompat.equals(this.accountName, rq.accountName);

        equal &= ObjectsCompat.equals(this.header, rq.header);

        equal &= ObjectsCompat.equals(this.method, rq.method);

        equal &= ObjectsCompat.equals(this.packageName, rq.packageName);

        equal &= ObjectsCompat.equals(this.parameter, rq.parameter);

        equal &= ObjectsCompat.equals(this.requestBody, rq.requestBody);

        equal &= ObjectsCompat.equals(this.token, rq.token);

        equal &= ObjectsCompat.equals(this.url, rq.url);

        equal &= ObjectsCompat.equals(this.followRedirects, rq.followRedirects);

        return equal;

        //return super.equals(obj);

    }

    private boolean checkEqual(String name, Object o1, Object o2) {

        if(o1 == null && o2 == null) {

            return true;

    }

        if(o1 != null) {

            boolean eq = o1.equals(o2);

            if(!eq) {

                System.err.println("[" + name + "] Expected: " + o1 + " Was: " + o2);

            }

            return eq;

        } else {

            // o1 == null and o2 != null

            System.err.println("[" + name + "] Expected: " + o1 + " Was: " + o2);

        }

        return false;

    }

}