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Scavenger Hunt

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Campbell Ritchie wrote:Wlcome to the Ranch

Please copy exactly what the book said, using exactly the same notation; you may find it useful to use the ⁸ HTML tag for ⁸.

Many people write ^ thinking it is the exponentiation operator, but in Java® it isn't. It is bitwise exclusive or.Java® doesn't have an exponentiaton operator; I don't know whether the bitwise operators will appear in your exam.

Yes you're right, thank you!

I meant the exponential Operator, not the XOR-Operator.

I have corrected it.

1 week ago

Liutauras Vilda wrote:Which book is that?

Muh Po wrote:should be

... 2x2 + 4x2 + 8x2 + 16x2 + 32x2 + 64x2 + 128x2 = 256

And how did you get 256 by proposing such calculation? I'm getting 508.

The Book:

Sorry i made at first a mistake, starting at 2x2, but now i corrected it and started with

But now i understand what is meant in the book, what was written is not so mathematical correct.

What is meant is this:

(((((((2 * 2 = 4) * 2 = 8) * 2 = 16) * 2 = 32) * 2 = 64) * 2 = 128) * 2 = 256)

1 week ago

Hello,

i think on page 21 is a Errata, there should be**plus (+)** instead of **equal (=)** signs:

2^8 is 2x2 = 4x2 = 8x2 = 16x2 = 32x2 = 64x2 = 128x2 = 256

should be

2^8 is 2x2**+** 4x2 **+** 8x2 **+** 16x2 **+** 32x2 **+** 64x2 **+** 128x2 = 256

bye!

i think on page 21 is a Errata, there should be

2^8 is 2x2 = 4x2 = 8x2 = 16x2 = 32x2 = 64x2 = 128x2 = 256

should be

2^8 is 2x2

bye!

1 week ago