Java Operators Homework Help

Java Operators:

Operators is a symbols used to perform some operations with values. We have following list of operators supported by java.

Basic Arithmetic Operators
Bitwise Operators
Relational Operators
Assignment Operators
Logical Operators
Ternary Operator

Arithmetic Operators:

It is used to do common mathematical operations. If we consider x=40, y=20 then the result should be like following table.

Operator	Name	Description	Example	Answer
+	Addition	Add two values	x+y	60
-	Subtraction	Subtract values from one another	x-y	20
*	Multiplication	Multiple two values	x*y	800
/	Division	Divide values from one another	x/y	2
%	Modulas	Returns the reminder	x%y	0
++	Increment	Increase the value by 1	++x	41
--	Decrement	Decrease value by 1	--x	39

Relational Operators:

We consider x=40, y=20 then the result should be like following table.

Operator	Name	Description	Example	Answer
==	Equal to	Check if two values are equal	x==y	False
!=	Not equal to	Check if two values are not equal	x!=y	True
>	Greater than	Check left side value is larger than right side value	x>y	True
<	Less than	Check left side value is less than right side value	x<y	False
>=	Greater than equal to	Check left side value is larger or equal to right side value	x>=y	True
<=	Less than equal to	Check left side value is less than or equal to right side value	x<=y	False

Bitwise Operators:

It performs bit by bit level. If we consider x=11, y=22 the result is

Operator	Name	Description	Example	Answer
&	Bitwise and	copies a bit to the result if both operands are exist.	x&y	2 00000010
\|	Bitwise or	copies a bit to the result if any one operands are exist.	x\|y	31 00011111
^	Bitwise XOR	copies a bit to the result if not both operands but set in one.	x^y	29 00011101
~	Bitwise Compliment	effect of 'flipping' bits	~x	-12 11110100
<<	Left shift	The left side value is moved left by the number of bits specified by the right side value	x<<2	44 00101100
>>	Right shift	The right side value is moved right by the number of bits specified by the right side value	x>>2	2 00000010

Logical Operators:

If we consider A holds true b holds false means the result is

Operator	Name	Description	Example	Answer
&&	Logical and	If both the operands are non-zero, then it becomes true.	x&&y	False
\|\|	Logical or	If any one of the operands are non-zero, then it becomes true.	x\|\|y	True
!	Logical not	If both conditions makes true logical not make it false	!(x&&y)	True

Assignment Operators:

Operator	Name	Description	Example
=	Simple assignment	Assign values right side to left side	x=y
+=	Add AND assignment	Add right to left and assign to left operand	x+=y
-=	subract AND assignment	subract right to left and assign to left operand	x-=y
*=	Multiply AND assignment	multiply right with left and assign to left operand	x*=y
/=	Divide AND assignment	divide right with left and assign to left operand	x/=y
%=	Modulus AND assignment	Modulus of two operand and assign to left operand	x%=y
<<=	Left shift AND assignment	Left shift AND assign value	x<<=3
>>=	Right shift AND assignment	Right shift AND assign value	x>>=3
&=	Bitwise AND assignment	Bitwise AND assign value	x&=3
\|=	Bitwise inclusive or assignment	Bitwise inclusive or assign value	x\|=3
^=	Bitwise exclusive or assignment	Bitwise exclusive or assign value	x^=3

Ternary Operator (?:):

The conditional operator is called ternary operator. It consists of three operands. Depends on Boolean result it assign value to operand.

variable x = (expression) ? value if true : value if false

Example:

Output:

y is : 30

y is :40

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