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@tavianator
Last active August 29, 2015 13:58
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class FinalFieldExample {
final int x;
int y;
static FinalFieldExample f;
public FinalFieldExample() {
x = 3;
y = 4;
}
static void writer() {
f = new FinalFieldExample();
}
static void reader() {
if (f != null) {
int i = f.x; // guaranteed to see 3
int j = f.y; // could see 0
}
}
}
class FinalFieldExample {
static HasFinalField f;
static void writer() {
f = new HasFinalField();
}
static void reader() {
if (f != null) {
int i = f.x; // guaranteed to see 3
int j = f.y; // could see 0
}
}
}
class HasFinalField {
final int x;
int y;
public HasFinalField() {
x = 3;
y = 4;
}
}
class FinalFieldExample {
HasFinalField f;
void writer() {
f = new HasFinalField();
}
void reader() {
if (f != null) {
int i = f.x; // guaranteed to see 3
int j = f.y; // could see 0
}
}
}
class HasFinalField {
final int x;
int y;
public HasFinalField() {
x = 3;
y = 4;
}
}
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