Java Data Structures Lab
Wrapper Inputs
Name
Age
Balance
Email
Active
true
false
Run Wrapper Demo
Wrapper Summary
Age Wrapper
Integer
Balance Wrapper
Double
Autoboxing
Success
Unboxing
Success
Adult
true
Primitive vs Wrapper
Primitive Value
28
Wrapper Value
Integer(28)
Autoboxed
Integer
Unboxed
int
Parsing Demo
Input String
"28"
parseInt()
28
Balance Input
"154.75"
parseDouble()
154.75
Active Input
"true"
parseBoolean()
true
Wrapper Utilities
Age Compare (vs 30)
-1
Age Max
30
Age Min
28
Age Sum (+10)
38
Balance Sum (+25.25)
180.0
Balance isFinite
true
Active AND true
true
Active OR false
true
Age toString()
28
Name Initial Upper
J
Initial is Letter
true