09 - Java program to find square root of a Number without sqrt method

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Here we will learn a Java program to find square root of a Number without sqrt method.
A square root of a number is ..... a value that can be multiplied by itself to give the original number.
A square root of 9 is ...... 3, because when 3 is multiplied by itself we get 9
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[@sukhmeetkaur6929]

Thanks a lot sir

[@SoftwareTestingAndAutomation]

Most welcome !! Keep learning and sharing with your friends 😊

[@hippl8945]

im still confused what temp is for,why the condition (temp-sr)!=0,the logic behind(temp+(num/temp))/2; and why temp is num/2 . please teach from ground up as i am dumb

[@krishmanjula5739]

easier approach:note-only integral part int N, i, j, sum, main; N=s.nextInt(); for(i=1; i*i

[@sanchayshrivas7749]

You could've explained the logic behind it, but nevertheless, it was informative. Thanks a lot!

[@SoftwareTestingAndAutomation]

You're welcome!

[@hippl8945]

100% ,he just giving the values of the variables , and it doesn't make me understand more..

[@yashupadhyay6530]

thnx bro

[@SoftwareTestingAndAutomation]

welcome 😊

[@thopvideos3588]

kzbin.info/www/bejne/qGrZlHyjqcucjqM Just in 2 lines of code

[@mo3tasim_awadh]

try 1, ArithmeticException. can not divide by 0.

[@imyoursunz_3815]

Is there another way in the code for square root?

[@krishmanjula5739]

Int n, i; Input n and then follow this loop For(i=1 i*i

[@malayswain8158]

looks like you have hard coded only for square root no changes can be done if we want to know the cube root kindly explain us using binary search algorithm method.

[@SoftwareTestingAndAutomation]

This program is to find only square root of any number. If you will try to find cube root, need to use different logic. I ll create a separate video on that 😊

[@abhibhavyagupta3780]

How can we find the sqrt of non perfect sqrt numbers such as 10?

[@SoftwareTestingAndAutomation]

You can use the same program.

[@abhibhavyagupta3780]

@@SoftwareTestingAndAutomation ok, thanks🙂

[@ejskshrvhshsbdbdbddhdh3yej11]

why i am getting 5 if num = 16

[@SoftwareTestingAndAutomation]

can you recheck the video, make sure you are not missing anything in your program.

[@thangmainguyenquyet645]

how about 15, i loop by manual but it is hard, How??

[@thangmainguyenquyet645]

can u help me explain the logic , how can you got that

[@ojustejadoti7967]

Can you please try to upload a video on, how to find squreroot of float number

[@SoftwareTestingAndAutomation]

Same program will work fine, Just use float num or double num in line no 10.

[@pinkubose2994]

Sir, 9/2 = 4 how ?

[@SoftwareTestingAndAutomation]

Here we are doing int division which always returns an int (truncated to the nearest int).

[@anupamshukla6357]

But you have stored it in an double .

[@krishmanjula5739]

easier approach:note-only integral part int N, i, j, sum, main; N=s.nextInt(); for(i=1; i*i

[@isubhanikhan]

can u send the full program