import lombok.val; class ValInLambda { Runnable foo = (Runnable) () -> { final @val int i = 1; final @lombok.val java.lang.Runnable foo = ((System.currentTimeMillis() > 0) ? (Runnable) () -> { } : System.out::println); }; ValInLambda() { super(); } public void easyLambda() { Runnable foo = (Runnable) () -> { final @val int i = 1; }; } public void easyIntersectionLambda() { Runnable foo = (Runnable) () -> { final @val int i = 1; }; } public void easyLubLambda() { Runnable foo = (Runnable) () -> { final @lombok.val java.lang.Runnable fooInner = ((System.currentTimeMillis() > 0) ? (Runnable) () -> { } : System.out::println); }; } }