Range of Octals

[Richa Sharma]

What is the max numbers i can store as octal. Is it the same as 32 bit integers unsigned?

[Sagar Rohankar]

Richa Sharma wrote:
Is it the same as 32 bit integers unsigned?

Java dosen't support unsigned int types !

Richa Sharma wrote:
What is the max numbers i can store as octal.

This is the range for 32 bit int
–2,147,483,648 to 2,147,483,647
So you can see, the maximum int type is 2,147,483,647(decimal) and convert it into Octal

[Richa Sharma]

Thanks Sagar

[Sagar Rohankar]

Richa Sharma wrote:Thanks Sagar

You're welcome

[Jesper de Jong]

Octal is not a data type - it is just a different way to write down numbers, just like decimal and hexadecimal.

Data types have a range, for 32-bit integers the range is -2^31 to 2^31 - 1, which is:

-2147483648 to 2147483647 (decimal)
-020000000000 to 017777777777 (octal)
-0x80000000 to 0x7FFFFFFF (hexadecimal)

[Sanjay Singhaniya]

As Jesper Young correctly pointed out, you can represnt integer or long numbers in octal.
To represent a long number in octal; simply add L at the end of number literal.

For example,

    class D{

	public static void main(String[] args){
		long l = 0765432176543217654321L;
		//l = 76543217654321765L;
		System.out.println("l = " + l);
	}
};

[Henry Wong]

Interestingly, these two assignments are actually legal in java...

int oct = 037777777777;
int hex = 0xFFFFFFFF;

This is because octal (and hex) were historically used for bit masks -- that Java allows you to actually assign all the bits, including the negative bit, as if it was an unsigned number.

Henry

[Richa Sharma]

Thanks a lot Guys