Java is a general-purpose, strongly typed, class-based and object-oriented programming language, which compiles byte code and converts it into code that can be run in the JVM i.e. java virtual machine.
In this blog we will see some of the important Java Questions that are asked in the interview.
What is Java?
Java is a very popular object-oriented programming language, which is based on classes and objects. Today it is one of the most popular programming languages in the world. More than two Billion devices run on the Java.
Why is Java language not considered pure object oriented?
Java language supports many types of primitive data types, such as char, short, int, float, long, double, etc. and that is why java language is not considered pure object oriented.
What are Keywords in Java?
In Java language some words are already defined , these words have some meaning in this programming language. In each programming language there are keywords . In Java as well there are total 52 keywords .
Why is Java language called platform independent?
The Java language does not depend on any hardware or software, and this is because its compiler compiles its code, then converts it into platform independent byte code, which can be run on any system, provided that system (JRE) installed.
What are Comments in Java?
In Java comment is used to add additional information to a program. The way to put it in Java language is –
For one line comment we use- //
For comment block we use- /* */
What Are the differences between Python and Java ?
Java is a statically typed and compiled programming language, whereas python is a dynamically typed and interpreted programming language this one difference makes java easier to debug and faster at runtime. However, python is much easier to read and use.
