Final (Java): Difference between revisions

Revision as of 17:16, 7 July 2025

Latest revision as of 16:08, 25 August 2025

(2 intermediate revisions by the same user not shown)

Line 10:

Example:

<syntaxhighlight lang="java">

public final class MyFinalClassFinalClass {...}

// ...

}

// Forbidden

public class ThisIsWrong extends MyFinalClass {...} // forbidden

public class DerivedClass extends FinalClass {

// ...

}

</syntaxhighlight>

Line 21 ⟶ 26:

Example:

<syntaxhighlight lang="java">

public class Base {

public final void m2m1() { ... }

{

public final void m1m2() { ... }

public final void m2() {...}

public static void m3() { ... }

public static final void m4() { ... }

}

public class Derived extends Base {

public void m2m1() { ... } // forbiddenOK, overriding Base#m1()

{

public void m1m2() { ... } // OK, overriding Base#m1()forbidden

public void m2() {...} // forbidden

public static void m3() { ...} } // OK, hiding Base#m3()

public static void m4() { ...} } // forbidden

}

</syntaxhighlight>