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Java - compareTo() Method
Description
The method compares the Number object that invoked the method to the argument. It is possible to compare Byte, Long, Integer, etc.
However, two different types cannot be compared, both the argument and the Number object invoking the method should be of the same type.
Syntax
public int compareTo( NumberSubClass referenceName )
Parameters
Here is the detail of parameters −
referenceName − This could be a Byte, Double, Integer, Float, Long, or Short.
Return Value
- If the Integer is greater than the argument then 1 is returned.
- If the Integer is equal to the argument then 0 is returned.
- If the Integer is less than the argument then -1 is returned.
Example
public class Test { public static void main(String args[]) { Integer x = 5; //Integer value is greater than the argument (5>3) so, output is 1 System.out.println(x.compareTo(3)); //Integer value is equal to the argument so, output is 0 System.out.println(x.compareTo(5)); //Integer value is less than the argument (5<8) so, output is −1 System.out.println(x.compareTo(8)); } }
This will produce the following result −
Output
1 0 -1
java_numbers.htm
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