In Java Lang Tutorial you will learn handy features of classes from java.lang package!
Java Lang Classes
- Java Objects equals hashcode
Shows how to use (new in Java 7) Objects to implement equals and hashcode. - Java null check
Shows how to validate input using (new in Java 7) Objects class. - Java external process
How to run external process from Java. - Java System properties
Shows how to work with system properties.
Reflection
- Java find annotated classes
Learn how to find annotated classes in Java. - Java Reflection Generic Type
Find out how to get generic type parameter using reflection! - Java reflection annotated fields/methods
Shows how to find annotated fields and/or methods using Reflection.
Java Lang Exceptions
- Java UnsupportedClassVersionError
Unsupported major.minor version sounds familiar?