Write a Java program to convert all the characters in a string to lowercase.

Java Programming Language / String in java

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Program:

public class Exercise {
       public static void main(String[] args)
    {
        String str = "The Quick BroWn FoX!";

        // Convert the above string to all lowercase.
        String lowerStr = str.toLowerCase();

        // Display the two strings for comparison.
        System.out.println("Original String: " + str);
        System.out.println("String in lowercase: " + lowerStr);
    }
}

Output:

Original String: The Quick BroWn FoX!
String in lowercase: the quick brown fox!
Press any key to continue . . .

Explanation:

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