// Simple Final Demo - Phase 8.7 BoxCall Success
// Clean demonstration of VM BoxCall functionality

print("=== Phase 8.7 VM BoxCall Demo ===")

// Test StringBox methods
local text
local result
text = "Hello_World"
result = text.substring(0, 5)
print("Substring result:")
print(result)

result = text.concat("_Success")
print("Concat result:")
print(result)

print("Length:")
print(result.length())

// Test ArrayBox methods
local arr
arr = new ArrayBox()
print("Array length:")
print(arr.length())

// Test Integer methods
local num
num = 42
result = num.toString()
print("Number to string:")
print(result)

// Test Boolean methods
local flag
flag = true
result = flag.toString()
print("Boolean to string:")
print(result)

print("=== Success! ===")
print("VM BoxCall methods working perfectly!")
print("Ready for real-world applications!")