Byte compareTo() method in Java with examples


The compareTo() method of Byte class is a built in method in Java which is used to compare the given Byte type object with the instance of Byte invoking the compareTo() method.

Syntax

ByteObject.compareTo(Byte a)

Parameters: It takes a Byte type object a as input which is to be compared with the instance of the Byte object calling the compareTo method.

Return Value: It returns an int value. It returns:

  • 0 if ‘a is equal to ‘b,
  • a positive value ‘a’ is greater than ‘b’,
  • a negative value ‘b’ is greater than ‘a’

Below is the implementation of compareTo() method in Java:

Example 1:

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// Java code to demonstrate
// Byte compareTo() method
  
class GFG {
    public static void main(String[] args)
    {
  
        // creating a Byte object
        Byte a = new Byte("20");
  
        // creating a Byte object
        Byte b = new Byte("20");
  
        // compareTo method in Byte class
        int output = a.compareTo(b);
  
        // printing the output
        System.out.println("Comparing " + a
                           + " and " + b + " : "
                           + output);
    }
}

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Output:

Comparing 20 and 20 : 0

Example 2:

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// Java code to demonstrate
// Byte compareTo() method
  
class GFG {
    public static void main(String[] args)
    {
  
        // creating a Byte object
        Byte a = new Byte("20");
  
        // creating a Byte object
        Byte b = new Byte("10");
  
        // compareTo method in Byte class
        int output = a.compareTo(b);
  
        // printing the output
        System.out.println("Comparing " + a
                           + " and " + b + " : "
                           + output);
    }
}

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Output:

Comparing 20 and 10 : 10

Example 3:

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// Java code to demonstrate
// Byte compareTo() method
  
class GFG {
    public static void main(String[] args)
    {
  
        // creating a Byte object
        Byte a = new Byte("10");
  
        // creating a Byte object
        Byte b = new Byte("20");
  
        // compareTo method in Byte class
        int output = a.compareTo(b);
  
        // printing the output
        System.out.println("Comparing " + a
                           + " and " + b + " : "
                           + output);
    }
}

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Output:

Comparing 10 and 20 : -10


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