
- Java.lang Package classes
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Java.lang.Enum.compareTo() Method
Description
The java.lang.Enum.compareTo() method compares this enum with the specified object for order.Enum constants are only comparable to other enum constants of the same enum type.
Declaration
Following is the declaration for java.lang.Enum.compareTo() method
public final int compareTo(E o)
Parameters
o − This is the object to be compared.
Return Value
This method returns a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.
Exception
NA
Example
The following example shows the usage of java.lang.Enum.compareTo() method.
package com.tutorialspoint; import java.lang.*; // enum showing topics covered under Tutorials enum Tutorials { topic1, topic2, topic3; } public class EnumDemo { public static void main(String args[]) { Tutorials t1, t2, t3; t1 = Tutorials.topic1; t2 = Tutorials.topic2; t3 = Tutorials.topic3; if(t1.compareTo(t2) > 0) { System.out.println(t2 + " completed before " + t1); } if(t1.compareTo(t2) < 0) { System.out.println(t1 + " completed before " + t2); } if(t1.compareTo(t3) == 0) { System.out.println(t1 + " completed with " + t3); } } }
Let us compile and run the above program, this will produce the following result −
topic1 completed before topic2
java_lang_enum.htm
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