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There are situations where by you want to have just 4 decimal places or 2 decimal places whatever the case and
you know quite fully well that making use of double in your computation cannot just give you a 2 decimal or 4 decimal places value.
There are two ways to trick the computer into giving you what you want.
Switch is a reserved word or keyword that is used to make selections in Java just as IF... ELSE IF... ELSE.
The switch has a unique way of doing its things first. It has a default and an optional break statement.
Take a look at this chunk of code
There comes a stage in life when you have grown up and begun to make your own choices, do your own thing and select what you want and not what others want.
Yea!! That stage feels really good.
The same thing applies to Java programming Language and we are at that stage.
Before I move into Java selections properly I want to discuss a few things about logical and relational operators.
Just as Java has arithmetic operators that makes computation possible Java also has logical and relational operators that makes decision making in programming a dream come true.
Examples of Relational operators are:
There is nobody on earth who has not made a mistake one way or the other.
In this same vein, there is no one who began programming from the bottom to the top without making errors here and there.
In Java programming there are three types of errors which are:
1. Syntax Error
2. Runtime Error
3. Logical Error
Syntax Error is a type of error made by a programmer while writing the program. This error can be easily detected by the computer.
I am really sorry for not publishing anything yesterday. I had some electrical problems that's why but I am here now and I am going to continue from where I stopped.
Thank you for accepting my apologies. lol
Today, I want to talk about numeric type conversion and casting in Java programming language.
I hope you still remember what I told you about datatypes. Please if you don't re-visit one of my previous posts to do.
Take for example you want to convert an integer to a double. How do you do that?
This is done by what we call CASTING.
Casting is the process of converting a value with a particular datatype to another datatype.
There are two types of casting which are:
There comes a time in Java programming when you want to carry out an operation on a variable and assign that operation to that same variable.
For example:
