byte Datatype in Java

Java Programming Language DataTypes in java (Article) DataTypes in java (Program)

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Program:

 public class Sample {

   public static void main(String []args) {
      // this is declaration and initialization of variable a
	  // datatype is byte 
	  byte a = 100;  
	  // this is declaration and initialization of variable b
	  // datatype is byte 
      byte b = -50; 
      System.out.println(a); // it will print a variable 
      System.out.println(b); // it will print b variable 
   }
}

  

Output:

100
-50
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Explanation:

  • Byte data type is an 8-bit signed two's complement integer

  • Minimum value is -128 (-2^7)

  • Maximum value is 127 (inclusive)(2^7 -1)

  • Default value is 0

  • Byte data type is used to save space in large arrays, mainly in place of integers, since a byte is four times smaller than an integer.

  • Example: byte a = 100, byte b = -50


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