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Collator equals(String, String) method in Java with Example

  • Last Updated : 07 Aug, 2021

The equals() method of java.text.Collator class is used to check if both the strings are identical or not.

Syntax: 

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public boolean equals(String source,
                      String target)

Parameter: This method takes two strings between which comparison is going to take place.

Return Value: if both strings are equal to each other than it will return true otherwise false.



Below are the examples to illustrate the equals() method:

Example 1:  

Java




// Java program to demonstrate
// equals() method
 
import java.text.*;
import java.util.*;
import java.io.*;
 
public class GFG {
    public static void main(String[] argv)
    {
        try {
 
            // Creating and initializing
            // Collator Object
            Collator col = Collator.getInstance();
 
            // Creating an initializing
            // object for comparison
            String obj1 = "a";
 
            // Creating an initializing
            // Object for comparison
            String obj2 = "A";
 
            // compare both object
            // using equals() method
            boolean i = col.equals(obj1, obj2);
 
            // display result
            if (i)
                System.out.println(obj1
                                   + " is equal to "
                                   + obj2);
            else
                System.out.println(obj1
                                   + " is not equal to "
                                   + obj2);
        }
 
        catch (ClassCastException e) {
 
            System.out.println("Exception thrown : " + e);
        }
    }
}
Output: 
a is not equal to A

 

Example 2: 

Java




// Java program to demonstrate
// equals() method
 
import java.text.*;
import java.util.*;
import java.io.*;
 
public class GFG {
    public static void main(String[] argv)
    {
        try {
 
            // Creating and initializing
            // Collator Object
            Collator col = Collator.getInstance();
 
            // Creating an initializing
            // object for comparison
            String obj1 = "a";
 
            // Creating an initializing
            // Object for comparison
            String obj2 = "a";
 
            // compare both object
            // using equals() method
            boolean i = col.equals(obj1, obj2);
 
            // display result
            if (i)
                System.out.println(obj1
                                   + " is equal to "
                                   + obj2);
            else
                System.out.println(obj1
                                   + " is not equal to "
                                   + obj2);
        }
 
        catch (ClassCastException e) {
 
            System.out.println("Exception thrown : " + e);
        }
    }
}
Output: 
a is equal to a

 

Reference: https://docs.oracle.com/javase/9/docs/api/java/text/Collator.html#equals-java.lang.String-java.lang.String-
 




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