void () { int x = 0; // Also active at write point if it causes a compilation error Runnable r1 = () -> <caret>x++; Runnable r2 = () -> x+=2; Runnable r3 = () -> x*=2; Runnable r4 = () -> x = 5; System.out.println(x /= 3); IntSupplier s = () -> { return x *= 2; }; }