javaLambdaSort.java

// source: http://java.dzone.com/articles/using-lambda-expression-sort

// sort by first name
people.sort((p1, p2) -> p1.firstName.compareTo(p2.firstName));

// sort by full name
String fullName(Person p) { return p.firstName + " " + p.lastName; }
people.sort((p1, p2) -> fullName(p1).compareTo(fullName(p2)));