mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-11 03:52:59 +00:00
47 lines
1.6 KiB
Java
47 lines
1.6 KiB
Java
|
class C {}
|
||
|
|
class D extends C implements I {}
|
||
|
|
interface I {}
|
||
|
|
interface J extends I {}
|
||
|
|
|
||
|
|
public class Class_1
|
||
|
|
{
|
||
|
|
static void printIsAssignableFrom(Class a, Class b, boolean c)
|
||
|
|
{
|
||
|
|
// The field 'c' can be viewed to see the expected value.
|
||
|
|
System.out.println(a.isAssignableFrom(b));
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void main (String arg[])
|
||
|
|
{
|
||
|
|
System.out.println("Testing class `Class_1'...");
|
||
|
|
printIsAssignableFrom(C.class, Object.class, false);
|
||
|
|
printIsAssignableFrom(C.class, C.class, true);
|
||
|
|
printIsAssignableFrom(C.class, D.class, true);
|
||
|
|
printIsAssignableFrom(D.class, C.class, false);
|
||
|
|
|
||
|
|
printIsAssignableFrom(Object.class, int[].class, true);
|
||
|
|
printIsAssignableFrom(int[].class, int[].class, true);
|
||
|
|
printIsAssignableFrom(C[].class, D.class, false);
|
||
|
|
printIsAssignableFrom(C[].class, D[].class, true);
|
||
|
|
printIsAssignableFrom(C[].class, C[][].class, false);
|
||
|
|
|
||
|
|
printIsAssignableFrom(Object.class, I.class, true);
|
||
|
|
printIsAssignableFrom(I.class, I.class, true);
|
||
|
|
printIsAssignableFrom(D.class, I.class, false);
|
||
|
|
printIsAssignableFrom(I.class, D.class, true);
|
||
|
|
|
||
|
|
printIsAssignableFrom(D.class, J.class, false);
|
||
|
|
printIsAssignableFrom(J.class, D.class, false);
|
||
|
|
|
||
|
|
printIsAssignableFrom(I.class, J.class, true);
|
||
|
|
printIsAssignableFrom(J.class, J.class, true);
|
||
|
|
printIsAssignableFrom(J.class, I.class, false);
|
||
|
|
|
||
|
|
// Returns true iff both Class objects are equal.
|
||
|
|
printIsAssignableFrom(long.class, long.class, true);
|
||
|
|
|
||
|
|
// Does not work for primitive types in general.
|
||
|
|
printIsAssignableFrom(long.class, int.class, false);
|
||
|
|
}
|
||
|
|
}
|