java how to create lambda functon that return code example
Example 1: how to use lambda in java
StateOwner stateOwner = new StateOwner();
stateOwner.addStateListener(
(oldState, newState) -> System.out.println("State changed")
);
Example 2: lambda java advanced condition
public void method() { String localVariable = "Local"; Foo foo = parameter -> { String localVariable = parameter; return localVariable; };}