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Java Programming Exercies

Java String Exercises: Convert all the characters in a string to uppercase

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Java String : Exercise-30 with Solution

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

Java Code:

public class Exercise30 {
    
   public static void main(String[] args)
    {
        String str = "The Quick BroWn FoX!";

        // Convert the above string to all uppercase.
        String upper_str = str.toUpperCase();

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

Output:

Original String:  Java Exercises                                        
New String: Java Exercises

Java Practice online:

public class Exercise30 {
    
   public static void main(String[] args)
    {
        String str = "The Quick BroWn FoX!";

        // Convert the above string to all uppercase.
        String upper_str = str.toUpperCase();

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



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