Apr 16, 2025 · The OR (||) operator return true if either a and b is true otherwise it return false. The NOT (!) operator reverse the value of the operand. It means !a is false and !b is true.

Jan 8, 2024 · In Java’s if-else statements, we can take a certain action when an expression is true, and an alternate one when it’s false. In this tutorial, we’ll learn how to reverse the logic using the not operator.

Nov 26, 2015 · ! is a logical not operator in java. Code: boolean a = true; // --> variable if(! a) { System.out.println("Not A i.e. A if false"); } if a = true, then (!a) evaluates to (not a) i.e (not true) i.e (false) and if condition is false, then it doesn't evalutes the if condition.

Jun 27, 2024 · The '!' operator in Java, also known as the logical complement operator or the logical NOT operator, inverts the value of a boolean. This means it flips the boolean value from true to false, or from false to true.

Oct 15, 2022 · There are three logical operators in java: AND (&&), OR (||) and NOT (!). The AND and OR operators are used when multiple conditions are combined and we need to evaluate the outcome as a whole. AND Operator: It returns true if all the conditions are true. OR Operator: It returns true if any of the condition is true.

Nov 2, 2023 · In Java, we use these boolean values for conditional logic to make decisions and control program flow. The key operators for boolean logic are: NOT (!) – Negates a value. Now, NOT flips or negates a boolean value. Here‘s a simple example: So …

Logical operators (&&, ||, !) are primarily used with boolean values (true or false). Example: boolean a = true, b = false; boolean result = a && b; // false. Logical && (AND) and || (OR) operators exhibit short-circuit behavior. AND (&&): If the first operand is false, the second operand is not evaluated because the result is already determined.

Apr 18, 2023 · In Java, the logical NOT operator (!) is used to invert the value of a boolean expression. It takes a single operand, which must be a boolean expression, and returns the opposite boolean value. Here is the syntax for the logical NOT operator: boolean result = !booleanExpression;

Jul 6, 2023 · In Java, the not operator is the exclamation point !, placed before a Boolean value. It will invert the value of the variable, changing true to false and false to true. Here is a quick example: This program will output false, which is the inverted value of b. To perform the and operation, Java uses two ampersands && placed between Boolean values.

Mar 26, 2024 · The Logical NOT operator is a unary operator that reverses the logical state of its operand.This operator is used to perform a “logical NOT” operation which means if the condition is true then the logical NOT operator will make it false and vice-versa. Below is the truth table for the logical NOT operator. In this table, X is the variables, and !