// LANG-COMP-008: Methods - String Methods
// Demonstrates method calls on string values
let text = "hello world"
// Case conversion methods
let upper = text.to_uppercase()
let lower = text.to_lowercase()
// Length and properties
let len = text.len()
// String manipulation
let trimmed = " spaces ".trim()
let replaced = text.replace("world", "Ruchy")
// Output
println(text)
println(upper)
println(lower)
println(len)
println(trimmed)
println(replaced)