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Java Operators And Types of Operators In Java

Java Operators And Types of Operators In Java

Operators In Java

Java operators are used to perform operations on variables and values.

 

Java Operators And Types of Operators In Java
Java Operators And Types of Operators In Java

Types of Java Operators

  1. Assignment operators
  2. Arithmetic operators
  3. Comparison operators
  4. Logical operators
  5. Bitwise operators

 

1. Assignment operators In Java

What Is Assignment operators?

1. Assignment operator is '=' operator.

2. It assigns a given value after '=' to the variable.

 

Why we use Assignment operators?

It is used to assign a given value after '=' to the given variable.

 

When we use Assignment operators?

When we want to assign some value to a variable,we can use assignment operator.

 

How we use Assignment operators?

Syntax:

datatype variable_name=value;

 

Example of Assignment operators

int a=10;

(It will assign value 10 to the variable a.)

 

2. Arithmetic operators In Java

What Is Arithmetic operators?

1. Arithmetic operators are the operators which performs an arithmetic operations on values.

2. We have different arithmetic operators in java as: +,-,*, /, %

(They will perform addition, subtraction, multiplication, division & modulus operations resp.)

 

Why we use Arithmetic operators?

To perform an arithmetic operations on values we can use an arithmetic operators.

 

When we use Arithmetic operators?

When we want to perform an arithmetic operations like addition, subtraction, multiplication, division, modulus on values we can use arithmetic operators.

 

How we use Arithmetic operators?

Syntax:

Addition (+): var1 + var2;

Subtraction (-): var1 - var2;

Multiplication (*): var1 * var2;

Division (/): var1 / var2;

Modulus (%): var1 % var2;

 

Example of Arithmetic operators

int c= int a + int b;

int c= int a - int b;

int c= int a * int b;

int c= int a / int b;

int c= int a % int b;

 

3. Comparison operators In Java

What Is Comparison operators?

1. Equal to (==): This operator checks whether the value on the operator’s left side is equal to the value in the right side.

2. Not Equal to (!=): This operator checks whether the value on the operator’s left side is not equal to the value on the right side.

3. Greater Than (>): This operator checks whether the value on the operator’s left side is greater than the value on the right side.

4. Less Than (<): This operator checks whether the value on the operator’s left side is less than the value on the right side.

5. Less Than Equal to (<=): This operator checks whether the value on the operator’s left side is less than or equal to the value on the right side.

6. Greater Than Equal to (>=): This operator checks whether the value on the operator’s left side is greater than or equal to the value on the right side.

 

Why we use Comparison operators?

Comparison Operators are used to perform comparison operation on variables and values.

 

When we use Comparison operators?

When we want to compare variables and values that time use Comparison Operators.

 

How we use Comparison operators?

Syntax:

1. v1 == v2

2. v1 != v2

3. v1 > v2

4. v1 < v2

5. v1 <= v2

6. v1 >= v2

 

Example of Comparison operators:

public static void main(String[] args) {

    int x = 5;

    int y = 3;

    System.out.println(x == y); // returns false because 5 is not equal to 3

    System.out.println(x != y); // returns true because 5 is not equal to 3

    System.out.println(x > y); // returns true because 5 is greater than 3

    System.out.println(x < y); // returns false because 5 is not less than 3

    System.out.println(x >= y); // returns true because 5 is greater, or equal, to 3

    System.out.println(x <= y); // returns false because 5 is neither less than or equal to 3

  }

 

4. Logical operators In Java

What Is Logical operators?

1. Logical and (&&): Returns true if both statements are true.

2. Logical or (||): Returns true if one of the statements is true.

3. Logical not (!): Reverse the result, returns false if the result is true.

 

Why we use Logical operators?

Logical operators are used to determine the logic between variables or values.

 

When we use Logical operators?

When we want to determine the logic between variables and values that time use Logical operators.

 

How we use Logical operators?

Syntax:

1. v1 && v2

2. v1 || v2

3. !(v1 && v2)

 

Example of Logical operators:

1. x < 5 &&  x < 10

2. x < 5 || x < 4

3. !(x < 5 && x < 10)

 

5. Bitwise operators In Java

What Is Bitwise operators?

1. Bitwise OR (|): This operator is a binary operator, denoted by ‘|’. It returns bit by bit OR of input values, i.e., if either of the bits is 1, it gives 1, else it shows 0.

2. Bitwise AND (&): This operator is a binary operator, denoted by ‘&.’ It returns bit by bit AND of input values, i.e., if both bits are 1, it gives 1, else it shows 0.

3. Bitwise XOR (^): This operator is a binary operator, denoted by ‘^.’ It returns bit by bit XOR of input values, i.e., if corresponding bits are different, it gives 1, else it shows 0.

4. Bitwise complement (~): This operator is a unary operator, denoted by ‘~.’ It returns the one’s complement representation of the input value, i.e., with all bits inverted, which means it makes every 0 to 1, and every 1 to 0.

 

Why we use Bitwise operators?

Bitwise operators are used to performing the manipulation of individual bits of a number. They can be used with any integral type (char, short, int, etc.). They are used when performing update and query operations of the Binary indexed trees.

 

When we use Bitwise operators?

When we want to perform the manipulation of individual bits of a number.

 

How we use Bitwise operators?

Syntax:

1. v1 & v2

2. v1 | v2

3. a^b

4. ~a

 

Example of Bitwise operators:

public class operators {

    public static void main(String[] args)

    {

        // Initial values

        int a = 5;

        int b = 7;

 

        // bitwise and

        // 0101 & 0111=0101 = 5

        System.out.println("a&b = " + (a & b));

 

        // bitwise or

        // 0101 | 0111=0111 = 7

        System.out.println("a|b = " + (a | b));

 

        // bitwise xor

        // 0101 ^ 0111=0010 = 2

        System.out.println("a^b = " + (a ^ b));

 

        // bitwise not

        // ~00000000 00000000 00000000 00000101=11111111 11111111 11111111 11111010

        // will give 1's complement (32 bit) of 5 = -6

        System.out.println("~a = " + ~a);

 

        // can also be combined with

        // assignment operator to provide shorthand

        // assignment

        // a=a&b

        a &= b;

        System.out.println("a= " + a);

    }

}


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