String Builder Challenge - Java Strings Game

📝 Transform Challenge

Source String:

"Hello World"

Target Result:

"HELLO WORLD"

Your Result:

"Hello World"

Method Chain:

Select methods below...

🧰 String Methods

.toUpperCase()

Convert to uppercase

.toLowerCase()

Convert to lowercase

.trim()

Remove whitespace

.substring()

Extract portion

.replace()

Replace text

.charAt()

Get character

.concat()

Join strings

.length()

Get length

Parameter:

🔤 String Builder

Learn Java String methods by chaining them together!

Transform the source string into the target using method chains.

Available Methods:

toUpperCase()

toLowerCase()

trim()

substring()

replace()

charAt()

concat()

length()