Java Assignment operators java training institutes in vizag (JNNC Technologies)

Assignment operators are used when you want to assign a value to the expression. The assignment operator denoted by the single equal sign =.

In a Java assignment statement, any expression can be on the right side and the left side must be a variable name. For example, this does not mean that "a" is equal to "b", instead, it means assigning the value of 'b' to 'a'. It is as follows:

Syntax:

variable = expression;

Example:

int a = 6;
float b = 6.8F;

Compound Assignment Operators in Java

Operator	Meaning
+=	Increments then assigns
-=	Decrements then assigns
*=	Multiplies then assigns
/=	Divides then assigns
%=	Modulus then assigns
<<=	Binary Left Shift  and assigns
>>=	Binary Right Shift and assigns
>>>=	Shift right zero fill and assigns
&=	Binary AND assigns
^=	Binary exclusive OR and assigns
|=	Binary inclusive OR and assigns

Programs to Show How Assignment Operators Works

Example:

//Programs to Show How Assignment and Compound Assignment Operators Works
public class assignmntop {
 public static void main(String[] args) {

  //Simple assigns
  byte bt = 24;
  System.out.println("bt: " + bt);
  
  //Increments then assigns
  bt += 10;
  System.out.println("bt: " + bt);
  
  //Decrements then assigns
  bt -= 2;
  System.out.println("bt: " + bt);
  
  //Multiplies then assigns
  bt *= 2;
  System.out.println("bt: " + bt);
  
  //Divides then assigns
  bt /= 2;
  System.out.println("bt: " + bt);
  
  //Modulus then assigns
  bt %= 7;
  System.out.println("bt: " + bt);
  
  //Binary Left Shift  and assigns
  bt <<= 3;
  System.out.println("bt: " + bt);

  //Binary Right Shift and assigns
  bt >>= 4;
  System.out.println("bt: " + bt);
  
  //Shift right zero fill and assigns
  bt >>>= 1;
  System.out.println("bt: " + bt);
  
  //Binary AND assigns
  bt &= 4;
  System.out.println("bt: " + bt);
  
  //Binary exclusive OR and assigns
  bt ^= 4;
  System.out.println("bt: " + bt);
  
  //Binary inclusive OR and assigns
  bt |= 4;
  System.out.println("bt: " + bt);
 }
}

Output:

bt: 24
bt: 34
bt: 32
bt: 64
bt: 32
bt: 4
bt: 32
bt: 2
bt: 1
bt: 0
bt: 4
bt: 4

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