**Contents**show

## What is the minus sign in Java?

The Arithmetic Operators

Operator | Description |
---|---|

– | Subtraction operator |

* | Multiplication operator |

/ | Division operator |

% | Remainder operator |

## How do you use minus in code?

Most programming languages use the **hyphen-minus for denoting subtraction and negation**. It is almost never used to indicate a range, due to ambiguity with subtraction. Generally other characters, such as the Unicode U+2212 − MINUS SIGN are not recognized.

## What does the += sign mean in Java?

+= is **compound addition assignment operator** which adds value of right operand to variable and assign the result to variable.

## What is unary plus operator in Java?

The unary plus operator **performs an automatic conversion to int when the type** of its operand is byte , char , or short . This is called unary numeric promotion, and it enables you to do things like the following: char c = ‘c’; int i = +c; Granted, it’s of limited use.

## How do you do minus in Java?

**Subtraction in Java**

- int counter = 15;
- counter = counter – 1;
- System. out. println(“Subtraction = ” + counter);

## Can you do plus or minus in Java?

The unary plus and **minus operators** let you change the sign of an operand in Java. Note that the actual operator used for these operations is the same as the binary addition and subtraction operators.

## What is the minus used for?

The minus sign is used to represent **negative integers, whole numbers less than zero (no fractions)**. For representing a negative integer, add a negative sign in front of a whole number. Multiplication of two negative numbers gives a positive. For example, A temperature of – 3˚ C means 3 degrees below zero.

## Is minus a special character?

**−** is a minus (Unicode 2212). This can also be entered from the Special characters: Symbols bar; it’s between the ± and ×

## What is == in Java?

In Java Strings, the == operator is **used to check the reference of both the string objects** and equals() method used to check the value equality of both strings. … If we are assigning the equal value to another string variable, the JVM checks if the string with that value is present in the string constant pool or not.

## What does || mean in Java?

|| is a **type of Logical Operator** and is read as “OR OR” or “Logical OR“. This operator is used to perform “logical OR” operation, i.e. the function similar to OR gate in digital electronics.

## What is unary operator give an example?

In mathematics, a unary operation is an operation with only one operand, i.e. a single input. This is in contrast to binary operations, which use two operands. An example is the **function f : A → A, where A is a set**. The function f is a unary operation on A.

## What is the difference between += and =+ in Java?

The difference between += and =+

+= is a **compound assignment operator** – it adds the RHS operand to the existing value of the LHS operand. =+ is just the assignment operator followed by the unary + operator.