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🚀 Programming Example

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

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💻 Practical Program
📘 Step Learning
Java program to convert all the characters in a string to uppercase.

💻 Program Code

public class Exercise {

   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);
    }
}

                        

🖥 Program Output

Original String: The Quick BroWn FoX!
String in uppercase: THE QUICK BROWN FOX!
Press any key to continue . . .
                            

📘 Explanation

None
📚 Learning Subject

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🎯 How to learn from this example

First understand the algorithm carefully. Then study the program line-by-line and compare it with the output. Finally, review the explanation section to strengthen your logic and programming understanding.

🔥 Practice suggestion

Rewrite the program without looking at the code. Modify values, conditions or logic and run it again. This helps improve confidence and strengthens coding skills much faster.