Introduction In a perfect world, end-users would never enter data incorrectly. Files they wish to open would always exist. And programming would never have flaws. So far, we’ve primarily presented code as if we lived in a world where everything ...

Introduction To err is human! It means it is normal for people to make mistakes. The above phrase does not apply to machines. Computers, for that matter, are incapable of ignoring errors. Suppose a programmer needs to open a file ...

Introduction What would happen if the child class has the same method as declared in the parent class? When the subclass(or child class) has the same method signature as the parent class(or superclass), that condition is called Method Overriding in ...

Introduction Java is an object-oriented programming language which means it is essentially structured into objects and classes. An object (an instance of a class), is the entity of Java that is physical as well as logical. A class, on the ...

Introduction Java is one of the most popular programming languages. It is used for many applications ranging from Blu-ray disk players to rovers in outer space. Java was developed in 1991, and even after 30 years, it is one of ...

Introduction Often AWT is mistaken for Swing by Java developers and backend-science aspirants and vice-versa, the two terms are distinct and have an extensively broad meaning. Although the field of AWT is analogous to that of Swing, yet there is ...

Introduction Keywords are reserved terms in Java that cannot be used as identifiers. Java language has 57 keywords, and the static keyword in Java is one of them.  In Java, we first make an instance of the class to access ...

Introduction FizzBuzz is a popular game played among small kids, which helps them learn division. Over time this game has become a popular interview question for Software Development Engineer job interviews. It is one of the most basic problems in ...

Introduction  Another pearl in the ocean of object-oriented programming is polymorphism. It is so essential that languages that do not allow polymorphism cannot be called Object-Oriented. Java is one of the many object-oriented programming languages that allows polymorphism. Polymorphism comprises ...

Introduction We are living in a digital world where almost everything can be done online. The Internet makes it possible to quickly find information, communicate with people around the world, manage your finances, shop from home, listen to music, watch ...