Chapte 9 What is Operator and Types Explain in Details
Post Intro:- So Frirnds Fainaly Hum log ab es post main Operator Kiya hota hai and Kitne Types ke hota hai, and kaise declared karna hai, and a propar example ke sath dekne bale hai.
Operator :
Operator is a specail symbol used for find logical and Mathematical Operation on data or variable in program.
Operand :-
Operand is a data or variable on which the operation is to be perfromed.
Types of Operator:
- ⇒Arithmetic Operators
- ⇒Relational Operators
- ⇒Logical Operators
- ⇒Assignment Operators
- ⇒Bitwise Operators
- ⇒Increment/ Decrement Operators
- ⇒Conditional Operators
Symbol | Operation | Examples
|
+ | Addition | a + b |
- | Subtraction | a- b |
* | Multiplication | a*b |
/ | Division | a/b |
% | Modulus | a % b |
Example of Arithmetic Operator :
class Tech369kk
{
public static void main(String[] args)
{
int a=10,b=3;
System.out.println("Add="+(a+b));
System.out.println("Sub="+(a-b));
System.out.println("Multi="+(a*b));
System.out.println("Div="+(a/b));
// Note:-modulus(%) always holds remainder value i mean ses
System.out.println("Mod="+(a%b));
}
}
Output :
PS D:\Learning File\BCA\BCA 3rd Sem\JAVA OOP\BLOG> javac Blog.java
PS D:\Learning File\BCA\BCA 3rd Sem\JAVA OOP\BLOG> java Tech369kk
Add=13
Sub=7
Multi=30
Div=3
Mod=1 // Given Reminder
// Get user input find only addition value
import java.util.Scanner;
class Bloog{
public static void main(String[] args) {
Scanner obj = new Scanner(System.in);
System.out.println("Enter a value : ");
int a=obj.nextLine();
System.out.println("Enter b value : ");
int b=obj.nextLine();
int c= a+b;
System.out.println("Total Addition value is :" +c);
}
}
Relational Operators: Used for Comaparison Operations
- Here: 0 means False
- 1 means True
|
Symbol |
Operation |
Examples
|
|
== |
Equal to |
2==3 return 0 |
|
!= |
Not equal to |
2!=3 return 1 |
|
> |
Greater than |
2>3 return 0 |
|
< |
Less than |
2<3 return 1 |
|
>= |
Greater than or equal to |
2>=3 return 0 |
|
<= |
Less than or equal to |
2<=3 return 1 |
Example of RelatiOperator :
class Relational{
public static void main(String[] args){
int a=10,b=5;
// if (a==b){ //False
// if (a!=b){ //True
// if (a>b){ //True
// if (a<b){ // False
// if (a>=b){ // True
if (a<=b){ // False
System.out.println("Return 0 means True");
}
else{
System.out.println("Return 1 Means False");
}
}
}
Logical Operators: Used for Conditional Operations
Symbol | Operation | Examples
|
&& | AND | if(a>b && x>z) |
|| | OR | if(x>y || x>z) |
! | NOT | If(!(x>y)) |
- (a>b) && (a > c) Here this expression returns true if both conditions are true.
- (a>b) || (b>c) Here this expression returns true if any one or both conditions are true.
- !(a>b) Not operator reverses the state means if the condition is true it returns false and if the condition is false it returns true .
Example of Logical Operators
- A. And Operator (&&)
A. And Operator (&&)
class Logical{
public static void main(String[] args)
{
int a=10,b=30,c=40;
if(a>b && a>c){
System.out.println("a is greatest");
}
if(b>a && b>c){
System.out.println("b is greatest");
}
if(c>a && c>b){
System.out.println("c is greatest");
}
}
}
Output :
C is greatest
- B. Or Operator (||)
B. Or Operator(||)
class Logical{
public static void main(String[] args)
{
int a=10,b=30,c=40;
if(a>c || a>c){
System.out.println("a is greatest");
}
if(b>a || b>c){
System.out.println("b is greatest");
}
if(c>a || c>b){
System.out.println("c is greatest");
}
}
}
Output :
PS D:\Learning File\BCA\BCA 3rd Sem\JAVA OOP\BLOG> java Logical
b is greatest
c is greatest
Same as used C. Or Not Operator In Java
Assignment Operators :
|
Symbol |
Example |
Same As |
|
= |
x=y |
x=y |
|
+= |
x+=y |
x=x + y |
|
-= |
x-=y |
x=x-y |
|
= |
x=y |
x=x*y |
|
/= |
x/=y |
x=x/y |
|
%= |
x%=y |
x=x%y |
Example of Assignment Operator
class Assignment
{
public static void main(String[] args)
{
int a=10,b=4, c;
// a+=b; or
c=a+b;
System.out.println("Addition of a and b:"+c);
int x2=5,y2=3;
x2-=y2;//x2=x2-y2
System.out.println(x2);
int x3=5,y3=3;
x3*=y3;//x3=x3*y3
System.out.println(x3);
int x4=5,y4=3;
x4/=y4;//x4=x4/y4
System.out.println(x4);
int x5=5,y5=3;
x5%=y5;//x5=x5%y5
System.out.println(x5);
}
}
Output:-
Addition of a and b:14
2
15
1
2
Bitwise Operators :
|
Symbol |
Operation |
Example |
|
& |
AND |
x&y |
|
| |
OR |
x|y |
|
<< |
Shift Left |
X<<2 |
|
>> |
Shift Right |
x>>2 |
|
^ |
X-OR |
x^y |
Example of Bitwise Operator
class Bitwise
{
public static void main(String[] args)
{
//variable declaration
int a=10,b=3,c;
c=a&b; //AND Operation
System.out.println("a&b="+c);
c=a|b; //OR Operation
System.out.println("a|b="+c);
c=a>>2; //Shift right Operation
System.out.println("a>>2="+c);
c=a<<2; //Shift left Operation
System.out.println("a<<2="+c);
c=a^2; //X-OR Operation
System.out.println("a^2="+c);
}
}
Output
PS D:\Learning File\BCA\BCA 3rd Sem\JAVA OOP\BLOg> java Bitwise
a&b=2
a|b=11
a>>2=2
a<<2=40
a^2=8
Increment/Decrement Operators :
|
Symbol |
Name |
Function |
Example |
|
++ |
Increment |
It increments the value by 1 |
++x |
|
-- |
Decrement |
It decrement the value by 1 |
--x |
Example of Increment And Decrement:-
class IncDec
{
public static void main(String[] args)
{//variable declaration
int a=5,b=10;
System.out.println(++a);
System.out.println(--b);
}
}
Output :
PS D:\Learning File\BCA\BCA 3rd Sem\JAVA OOP\BLOg> java IncDec
6
9
Conditional Operators :- If the condition is true second part will execute otherwise third part will execute.
Example of Condiitonal Operators:
Q. Check Greater Number
class Ternarry{
public static void main(String[] args){
int a=5,b=10,max; // Variable declaration
//same as min
max=a>b?a:b;
System.out.println("Greater value is "+ max);
//don't be confused,here + is separator in java
}
}
Output :-
PS D:\Learning File\BCA\BCA 3rd Sem\JAVA OOP\BLOg> java Ternarry
Greater value is 10
I hope this is helpful for you thanks.
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