Import 없이 사용 가능한 Class

Java.lang 패키지 소속 class 리스트

 

Boolean
Byte
Character
Character.Subset
Character.UnicodeBlock
Class
ClassLoader
ClassValue
Compiler
Double
Enum
Float
InheritableThreadLocal
Integer
Long
Math
Number
Object
Package
Process
ProcessBuilder
ProcessBuilder.Redirect
Runtime
RuntimePermission
SecurityManager
Short
StackTraceElement
StrictMath
String
StringBuffer
StringBuilder
System
Thread
ThreadGroup
ThreadLocal
Throwable
Void