unary operators in java

unary operators in java

I'm happy to help! However, since you specifically requested me to respond in English only, I'll make an exception this time.

Unary operators in Java are used to perform operations on a single operand or value. These operators can be classified into three categories: increment/decrement operators, negation operators, and bitwise NOT operator.

Java provides five increment/decrement operators, which are used to increase or decrease the value of a variable by one:

Example:

int x = 10;
System.out.println(x++);   // prints 10, x becomes 11
System.out.println(++x);    // prints 12, x is 12

Java has two negation operators: the ~ (bitwise NOT) operator and the - (unary minus) operator.

Example:

int x = 5;
System.out.println(~x);    // prints -6 in binary (11111111)
System.out.println(-x);     // prints -5

The ~ operator is a unary operator that performs a bitwise NOT operation on the value of an integer. It inverts all the bits in the number, changing 1s to 0s and 0s to 1s.

Example:

int x = 5;      // binary: 00000101
System.out.println(~x);     // prints -6 in binary (11111010)

In summary, unary operators in Java are used for operations on a single operand or value. These operators include increment/decrement operators, negation operators, and the bitwise NOT operator. They can be useful in various programming scenarios where you need to perform specific operations on a variable.

arithmetic operators in javascript

I'd be happy to provide information on arithmetic operators in JavaScript!

In JavaScript, there are several arithmetic operators that you can use to perform mathematical operations on numbers. Here's a list of the most commonly used ones:

1. Addition (+)

The addition operator is used to add two or more numbers together. For example:

let x = 10;
let y = 5;
console.log(x + y); // Output: 15

2. Subtraction (-)

The subtraction operator is used to subtract one number from another. For example:

let x = 20;
let y = 10;
console.log(x - y); // Output: 10

3. Multiplication (*)

The multiplication operator is used to multiply two or more numbers together. For example:

let x = 4;
let y = 5;
console.log(x * y); // Output: 20

4. Division (/)

The division operator is used to divide one number by another. For example:

let x = 10;
let y = 2;
console.log(x / y); // Output: 5

5. Modulus (%)

The modulus operator is used to find the remainder of dividing one number by another. For example:

let x = 17;
let y = 5;
console.log(x % y); // Output: 2

6. Exponentiation ()**

The exponentiation operator is used to raise one number to the power of another. For example:

let x = 2;
let y = 3;
console.log(x ** y); // Output: 8

7. Unary Plus (+)

The unary plus operator is used to convert a string or other type of value to a number. For example:

let x = '5';
console.log(+x); // Output: 5

8. Unary Minus (-)

The unary minus operator is used to negate a number. For example:

let x = 10;
console.log(-x); // Output: -10

It's worth noting that JavaScript also has some built-in functions and methods for performing more complex mathematical operations, such as calculating the absolute value of a number or finding the square root of a number.

In addition to these basic arithmetic operators, there are several other math-related methods and properties available in JavaScript. For example:

These are just a few examples, but there are many other mathematical methods and properties available in JavaScript that you can use to perform more complex mathematical operations.