// version 8: class ValLambda { public void easyLambda() { final java.lang.Runnable foo = (Runnable) () -> { }; } public void easyIntersectionLambda() { final java.lang.Runnable foo = (Runnable & java.io.Serializable) () -> { }; final java.io.Serializable bar = (java.io.Serializable & Runnable) () -> { }; } public void easyLubLambda() { final java.lang.Runnable foo = (System.currentTimeMillis() > 0) ? (Runnable) () -> { } : System.out::println; final java.lang.Runnable foo1 = (System.currentTimeMillis() > 0) ? (Runnable) System.out::println : System.out::println; final java.util.function.Function foo2 = (System.currentTimeMillis() < 0) ? (java.util.function.Function) r -> "" : r -> System.currentTimeMillis(); java.util.function.Function foo3 = (System.currentTimeMillis() < 0) ? (java.util.function.Function) r -> "" : r -> System.currentTimeMillis(); final java.util.function.Function foo4 = (System.currentTimeMillis() < 0) ? (java.util.function.Function) r -> "" : r -> String.valueOf(System.currentTimeMillis()); } // public void castLubLambda() { // Runnable foo = (Runnable) ((System.currentTimeMillis() > 0) ? () -> {} : System.out::println); // lombok.val foo = (Runnable) ((System.currentTimeMillis() > 0) ? () -> {} : System.out::println); // } }