32 lines
450 B
Text
32 lines
450 B
Text
|
// Test the equal/not equal operations, one of the types must be a subtype of the other
|
||
|
|
|
||
|
|
class Main {
|
||
|
|
void main() {
|
||
|
|
C1 c1;
|
||
|
|
C2 c2;
|
||
|
|
C3 c3;
|
||
|
|
Object o1, o2;
|
||
|
|
boolean s;
|
||
|
|
|
||
|
|
o1 = new Object();
|
||
|
|
o2 = new Object();
|
||
|
|
c1 = new C1();
|
||
|
|
c2 = new C2();
|
||
|
|
c3 = new C3();
|
||
|
|
|
||
|
|
s = o1 == o2;
|
||
|
|
s = c1 != c2;
|
||
|
|
s = c3 == c1;
|
||
|
|
s = o2 != o1;
|
||
|
|
s = null == c2;
|
||
|
|
s = o1 == c2;
|
||
|
|
s = null == o;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class C1 {}
|
||
|
|
|
||
|
|
class C2 extends C1{}
|
||
|
|
|
||
|
|
class C3 extends C2{}
|