java equivalent of Delphi NOT

In Delphi I can do the following with a boolean variable:

If NOT bValue then
begin
  //do some stuff
end;

Does the equivalent in Java use the !?

If !(bValue) {
  //do some stuff
}

---

Yes, but inside the bracket:

if (!bValue) {
}

You'd normally not use any sort of data type prefix in Java as well, so it would more likely be something like:

if (!isGreen) { // or some other meaningful variable name
}

---

You're close; the proper syntax is:

if (!bValue) {
  //do some stuff
}

The entire conditional expression must be inside the parenthesis; the condition in this case involve the unary logical complement operator ! (JLS 15.15.6).

Additionally, Java also has the following logical binary operators:

JLS 15.22.2 Boolean Logical Operators & , ^ and |

casually "and", "xor" and "or"

JLS 15.23 Conditional-and && and JLS 15.24 Conditional-or ||

the much more frequently used short-circuiting "and" and "or"

There are also compound assignment operators (JLS 15.26.2) &= , |= , ^= .

---

Other relevant questions on stackoverflow:

Shortcut "or-assignment" (|=) operator in Java

Why doesn't Java have compound assignment versions of the conditional-and and conditional-or operators? (&&=, ||=)

What's the difference between | and || in Java?

Cleanest way to toggle a Boolean variable in Java?

Getting confused in with == and = in “if” statement

There are plenty of similar questions on stackoverflow due to accidental boolean assignment instead of comparison

You never need to write == true and == false

Omit explicit comparison with true and false

use ! when necessary

---

if (!bValue) {
    // do some stuff
}

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