Operators are symbols that perform specific operations on operands. There are unary, binary, and ternary operators classified based on the number of operands they accept. Common operators include arithmetic, assignment, relational, logical, increment/decrement, and conditional operators. The increment and decrement operators can be pre-increment/decrement or post-increment/decrement, affecting whether the operand is updated before or after use in an expression.

1. OPERATORS

2. What is operators?
● Operators are predefined symbol which is used to perform some
specific task on the given data.the data given as a input to the
operator is known as operand.
TYPES OF OPERATORS BASED ON OPERAND:
● UNARY OPERATOR
● BINARY OPERATOR
● TERNARY OPERATOR

3. UNARY OPERATOR :
The operator which can accept only one operand
is known as unary operator.
Example : Increment/Decrement operator.

4. BINARY OPERATOR:
The operator which can accept two operand is known
as binary operator.
Example : Arithmetic operator,relational operators.

5. TERNARY OPERATOR:
The operator which can accept three operand is
known as ternary operator.
Example : Conditional Operator

6. CLASSIFICATION OF OPERATOR BASED ON TASK:
● ARITHMETIC OPERATOR
● ASSIGNMENT OPERATOR
● RELATIONAL OPERATOR
● LOGICAL OPERATOR
● INCREMENT/DECREMENT OPERATOR
● CONDITIONAL OPERATOR
MISCELLANEOUS

7. ARITHMETIC OPERATOR

8. ‘+’ Operator:
+
ADDITION
CONCAT

9. ACTIVITY:
1.Write a java program to perform addition of two numbers.
2.Write a java program to concat a number and String.
3.Write a java program to concat a floating number and String.
4.Write a java program to concat a integer and character.
5.Write a java program to concat a character and String.
6.Write a java program to concat a integer,character,boolean and
String data.

11. ASSIGNMENT OPERATOR:
Assignment operators are used in Java to assign values to variables.
1. +=
2. -=
3. *=
4. /=

12. Operator Example Equivalent to
= a=b; a=b;
+= a+=b; a=a+b;
- -= a-=b; a=a-b;

13. Operator Example Equivalent to
*= a*=b; a=a*b;
/= a/=b; a=a/b;
%= a%=b; a=a%b;

14. RELATIONAL OPERATORS:
● < - lesser than
● > - greater than
● <= - lesser than or equal to
● >= - greater than or equal to
● == - equal to
● != - not equal to

15. NOTE :
The return value of relational operator is boolean.

16. LOGICAL OPERATOR:
&&(Logical AND)
If all the expression returns true then this operator will
return true
||(Logical OR)
If any of one of the expression return true then this operator
will return true
! (Logical NOT)
It the result is true then it will return false and vice versa

17. TRUE TRUE TRUE
TRUE FALSE FALSE
FALSE TRUE FALSE
FALSE FALSE FALSE
AND TABLE :

18. OR TABLE :
TRUE TRUE TRUE
TRUE FALSE TRUE
FALSE TRUE TRUE
FALSE FALSE FALSE

19. INCREMENT/DECREMENT OPERATOR
Increment Operator:
● Pre-Increment Operator
● Post-Increment Operator
Decrement Operator:
● Pre-Decrement Operator
● Post-Decrement Operator

20. INCREMENT OPERATOR
PRE-INCREMENT (++VAR) POST-INCREMENT(VAR++)
● INCREMENT THE
VALUE BY 1
● USE THE
UPDATED VALUE
● USE THE OLD
DATA
● INCREMENT THE
VALUE BY 1

21. DECREMENT OPERATOR
PRE- DECREMENT(--VAR) POST- DECREMENT(VAR- -)
● DECREMENT THE
VALUE BY 1
● USE THE
UPDATED VALUE
● USE THE OLD
DATA
● DECREMENT THE
VALUE BY 1

22. Conditional Operator:
SYNTAX:
Operand 1 ? Operand 2 : Operand 3
(Condition) ? value1 : value2

23. Working of Conditional Operator:
CONDITION ? VALUE1 VALUE2
:
TRUE
FALSE

24. ● Conditional Operator will check the condition,if
condition is true operand 2 will gets executed,if
condition is false operand 3 ill gets executed.
Note :
● The return value of conditional operator is always
boolean.
● The return value of operand 1 is based on operand
2 and operand 3.

25. EXAMPLE:
Class Demo
{
public static void main(String[] args)
{
int a = 10;
int b =20;
int c = (a>b) ? a : b; //Conditional Operator
System.out.println(c); // 20
}
}

27. TRACE THE PROGRAMS: (INCREMENT OPERATOR)
1.int a=10;
a++;
s.o.p(a);
2.int b =20;
++b;
s.o.p(b);
3.int a=10;
a=a++;
s.o.p(a);
4.int d =40;
int e = 50;
d = d++ + ++e;
s.o.p(d);

28. 5.short s = 20;
byte b = 25;
s++;
++b;
s.o.p(s+b);
6. int a1=100;
short a2 = 150;
int a3 = 350;
long a4 = 200;
long res = a1++ - ++a2 +a3++ - ++a4;
s.o.p(res);

29. 1.int a=35;
a - - ;
s.o.p(a);
2.int b = 70;
- -b;
s.o.p(b);
TRACE THE PROGRAMS: (DECREMENT OPERATOR)
3.int a=100;
a= a- -;
s.o.p(a);
4.int d =76;
int e = 32;
d = d- - + - -e;
s.o.p(d);

30. 5. int a1=100;
short a2 = 150;
int a3 = 350;
long a4 = 200;
int res = a1- - - ++a2 + a3- - - ++a4;
s.o.p(res);