Category: Java

Type conversion in java 0

Type conversion in java

Type conversion means assigning one type of data to another type of variable. Java automatic type conversion: When one type of data is assigned to another type of variable, an automatic type conversion will...

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...

Keywords in java 0

Keywords in java

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....

Installing java on windows 0

Installing java on windows

Here we will see how install java on windows machine. Steps for installing java on windows 1)Click on the following link to download java. download java here 2)Click on Free Java Download 3)Now click...