b) Consider the following java code which contains two classes Subject and Topic. Perform program analysis and identify what typ

Question

class Subject {
Topic t = new Topic();
public void startReading()
{
t.understand();
}
}
class Topic {
public void understand()
{
System.out.println("Software Construction");
}
}

Answer 1

Question seems incomplete, but theres 2 possible types "Subject & Topic" but your main type would be "Subject " as you are creating an instance of topic in this class and can access both objects through "Subject".
https://code.sololearn.com/c1rl2MgUpwBw/?ref=app