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Variables in Java 0

Variables in Java

Variable is nothing but the container which is use to hold or store data. In any programming language data is stored in memory and memory is divided into cells. Since the value stored in...

Java keywords list 0

Java keywords list

Keywords are the words whose meaning has  been already explained to the C compiler. The keywords cannot be used as variable names because if we do so we are trying to assign a new...

Java data types 0

Java data types

In any programming language, data type tells compiler or interpreter, what type of data variable is going to hold or store i.e whether a variable is going to store number or character or floating...

Identifiers rules in java 0

Identifiers rules in java

Identifiers tell you, how to construct name of class , method , variable , package , interface etc. Identifiers rules: 1)Identifier can have numbers but can’t start with number 2)Only two symbols are allowed...

What is Object 0

What is Object

1)Object is real world physical entity  i.e anything which is physically present can be considered as object. Example dog, human , laptop, mobile, watch, pen etc are objects. 2)Object is an instance of a...

What is Class 0

What is Class

1)Class is a master copy or Blue print or template of object. Anything which is physically present can be considered as object such as home, glass, dog, man , table etc are examples of object....

Windows Firewall block all incoming connections 17

Windows Firewall block all incoming connections

Sometimes we come to situation where we don’t want others to connect with our system for security purpose or some other reason. In that case we need to block all incoming connections. When you...

Ping is not working 0

Ping is not working

What you will learn here about ping: What is ping in networking? Example of ping Four reasons why ping is not working and enabling ping functionality What is ping in networking? In any computer...

How to open port in Windows 0

How to open port in Windows

Ports are used to identify particular service on your computer. For different services, there are different ports. For example default port for HTTP is 80. Here we will see how to open port in...

How to access the router Setup page 0

How to access the router Setup page

While working with networking, we come to a situation where we want to modify routers setting for following mentioned reasons or When you buy a new router it comes with default configurations and you...