Quelle CyclicInheritance.java Sprache: JAVA

/*
* @test  /nodynamiccopyright/
* @bug 4018525 4059072 4277274 4785453
* @summary Test that recursive 'extends' and 'implements' clauses are detected
* and disallowed.
*
* @compile/fail/ref=CyclicInheritance.out -XDrawDiagnostics CyclicInheritance.java
*/

class C1 extends C1 {}                  // ERROR - Cyclic inheritance

class C11 extends C12 {}                // ERROR - Cyclic inheritance
class C12 extends C11 {}                // error in previous line could correctly be reported here as well

interface I1 extends I1 {}              // ERROR - Cyclic inheritance

interface I11 extends I12 {}            // ERROR - Cyclic inheritance
interface I12 extends I11 {}            // error in previous line could correctly be reported here as well

//-----

class C211 implements C211.I {          // ERROR - may change pending resoluation of 4087020
        interface I {};                 // error in previous line could correctly be reported here as well
}

class C212 extends C212.C {             // ERROR - Cyclic inheritance, subclass cannot enclose superclass
        static class C {};              // error in previous line could correctly be reported here as well
}

class C221 implements C221.I {          // ERROR - Cannot access C21 (private)
        private interface I {};         // error in previous line could correctly be reported here as well
}

class C222 extends C222.C {             // ERROR - Cannot access C22 (private)
        private static class C {};      // error in previous line could correctly be reported here as well
}

//-----

class C3 {
    class A {
        class B extends A {}
    }
}

class C4 {
    class A extends B {}
    class B {
        class C extends A {}
    }
}

quality84%

¤ Dauer der Verarbeitung: 0.14 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.