What do mean by polymorphism, inheritance, encapsulation? There are three main principals of oops which are called Polymorphism, Inheritance and Encapsulation. Encapsulation : Encapsulation is the process of binding together the methods and data...
Java Uses primitive types such as byte,short,int,long,float,double,char and boolean, to hold the basic data type supported by the language. And thus,the primitive types are not part of the Object hierarchy, and they do not...
Platform independence means that we can write and compile the Java code in one platform (eg Windows) and can execute the class in any other supported platform eg (Linux, Solaris, etc).
The For-Each Version of the for Loop : It is a new and second form of for loop. A for-each stype loop is designed to cycle through a collection of objects, such as an...
– JavaSE 6 adds the Console class. It is used to read from and write to the console, if one exists. – It implements the Flushable interface. – Console is primarily a convenience class...
Java is a platform independent language is the most important feature of Java. The other features are: – Simple – Object Oriented – Robust and – Distributed
Scanner is a class in java.util package used for obtaining the input of the primitive types like int, double etc. and strings. It is the easiest way to read input in a Java program,...
– instanceof : It is used to check to see if an object can be cast into a specified type without throwing a cast class exception. – isInstance() : It determines if the specified...
If a method called from outside the class and it wasn’t declared static, it would have to be qualified (uselessly) with an object. Even when used within the class, there are good reasons to...
final is a modifier which can be applied to a class or a method or a variable. final class can’t be inherited, final method can’t be overridden and final variable can’t be changed. finally...
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