// version 8:9 import java.util.function.Function; import java.util.function.Supplier; import lombok.val; class ValInLambda { Runnable foo = (Runnable) () -> { val i = 1; lombok.val foo = (System.currentTimeMillis() > 0) ? (Runnable)()-> {} : System.out::println; }; public void easyLambda() { Runnable foo = (Runnable) () -> { val i = 1; }; } public void easyIntersectionLambda() { Runnable foo = (Runnable) () -> { val i = 1; }; } public void easyLubLambda() { Runnable foo = (Runnable) () -> { lombok.val fooInner = (System.currentTimeMillis() > 0) ? (Runnable)()-> {} : System.out::println; }; } public void inParameter() { val foo = (Function<Supplier<String>, String>) s -> s.get(); val foo2 = foo.apply(() -> { val bar = ""; return bar; }); } }