Reverse String in Java: Explanation & Practice

Problem summary

Write a program that reverses any given string.

Starter code

public class Main {
    public static void main(String[] args) {
        String text = "Hello"; // Test case 1
        
        // Reverse the string
        // Print: Reversed: <result>
    }
}

Expected output and test cases

• Reverse Hello

  Reversed: olleH

• Reverse Java

  Reversed: avaJ

• Single character

  Reversed: a

Hints

1. Use StringBuilder's reverse() method
2. Or iterate from end to start
3. Build new string character by character

Related Strings exercises

• Practice Check Contains in Java
• Practice Replace Characters in Java
• Practice String Palindrome in Java

Practice all Strings exercises · Run this idea in the Java compiler