Given two tables Student(SID, Name, Course) and Level(SID, level) write the SQL statement to get the name and SID of the student who are taking course = 3 and at freshman level. http://www.coolinterview.com/interview/370
Discuss the differences between creating a new class, extending a class and implementing an interface; and when each would be appropriate. http://www.coolinterview.com/interview/380
In Java, You can create a String object as: String str = "abc"; & String str = new String("abc"); Why cant a button object be created as : Button bt = "abc" Why is it compulsory to create a button object as: Button bt = new Button("abc"); Why is this not compulsory in String's case? http://www.coolinterview.com/interview/460