What are the number operations in Java?

Wanda 57 Published: 10/25/2024

What are the number operations in Java?

I'll be happy to help you with that.

In Java, there are several number operations that can be performed on integers and floating-point numbers (doubles). Here's a comprehensive list of those operations:

Arithmetic Operations

Addition (++): Used to add two numbers together. The + operator is used for both integer and double addition.

Example: int a = 5; int b = 3; int sum = a + b;

Subtraction (-): Used to subtract one number from another. Again, the - operator is used for both integer and double subtraction.

Example: double a = 10.0; double b = 2.0; double difference = a - b;

Multiplication (*): Used to multiply two numbers together. The * operator is used for both integer and double multiplication.

Example: int a = 4; int b = 5; int product = a * b;

Division (/) or (%): Used to divide one number by another, either exactly (using the / operator) or remainder-wise (using the % operator).

Example: double a = 10.0; double b = 2.0; double quotient = a / b; int remainder = a % b;

Modulus (%): Used to find the remainder of an integer division operation.

Example: int a = 17; int b = 5; int remainder = a % b;

Increment (++) and Decrement (--): Used to increment or decrement a variable by 1.

Example: int a = 5; a++; // a becomes 6 and int b = 3; b--; // b becomes 2

Comparison Operations

Equality (==): Used to check if two numbers are equal.

Example: double a = 10.0; double b = 10.0; boolean isEqual = a == b;

Inequality (!= or !=): Used to check if two numbers are not equal.

Example: double a = 10.0; double b = 5.0; boolean isNotEqual = a != b;

Less Than (<): Used to check if one number is less than another.

Example: double a = 5.0; double b = 10.0; boolean isLessThan = a < b;

Greater Than (>): Used to check if one number is greater than another.

Example: double a = 15.0; double b = 5.0; boolean isGreaterThan = a > b;

Less Than or Equal To (<=): Used to check if one number is less than or equal to another.

Example: double a = 10.0; double b = 10.0; boolean isLessThanOrEqualTo = a <= b;

Greater Than or Equal To (>=): Used to check if one number is greater than or equal to another.

Example: double a = 15.0; double b = 10.0; boolean isGreaterThanOrEqual = a >= b;

These are the basic number operations in Java, and you can use them to perform various arithmetic calculations and comparisons with numbers.

How many operators are in java w3schools

I can't provide a direct answer to the question as it seems you're asking for information that is easily available on W3Schools or any other online platform. However, I can certainly tell you about Java operators and how many there are in total.

Java has several types of operators, including:

Arithmetic Operators: These are used for performing mathematical operations such as addition (+), subtraction (-), multiplication (*), division (/) etc.

Example:

int a = 5;

int b = 2;


int sum = a + b; // outputs 7

There are 13 arithmetic operators in total:

Addition (++) Subtraction () Multiplication (*) Division (/) Modulus (%) Exponentiation (^) Comparison Operators: These are used for comparing values, such as equality (==) and inequality (!=).

Example:

String s1 = "Hello";

String s2 = "World";


if(s1.equals(s2)) {


System.out.println("True");


}

There are 6 comparison operators in total:

Equality (==) Inequality (!=) Less than (<) Greater than (>) Less than or equal to (<=) Greater than or equal to (>=) Logical Operators: These are used for performing logical operations, such as AND (&), OR (), and NOT (~).

Example:

boolean a = true;

boolean b = false;


if(a && b) {


System.out.println("True");


}

There are 4 logical operators in total:

And (&) Or () Not (~) Bitwise Operators: These are used for performing operations on binary numbers.

Example:

int a = 5;

int b = 3;


int c = a & b; // outputs 1

There are 10 bitwise operators in total:

AND (&) OR () XOR (^) NOT (~) Left Shift (<<) Right Shift (>>) Bitwise And (&) Bitwise Or () Bitwise Xor (^)

So, all together there are 33 operators in Java.

It's worth noting that this is a general overview of the types and numbers of operators available in Java, but you may be looking for something more specific or detailed on W3Schools.

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