1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
import java.util.ArrayList;
import java.util.Formatter;
public class VarargsFormatter {
public static void main(String... p) {
Formatter f = new Formatter();
// vararg as parameter
// :: warning: non-varargs call of varargs method with inexact argument type for last
// parameter; :: warning: (format.indirect.arguments)
f.format("Nothing", null); // equivalent to (Object[])null
// :: warning: (format.indirect.arguments)
f.format("Nothing", (Object[]) null);
// :: warning: (format.indirect.arguments)
f.format("%s", (Object[]) null);
// :: warning: (format.indirect.arguments)
f.format("%s %d %x", (Object[]) null);
// :: warning: non-varargs call of varargs method with inexact argument type for last
// parameter; :: warning: (format.indirect.arguments)
f.format("%s %d %x", null); // equivalent to (Object[])null
// :: warning: (format.indirect.arguments)
f.format("%d", new Object[1]);
// :: warning: (format.indirect.arguments)
f.format("%s", new Object[2]);
// :: warning: (format.indirect.arguments)
f.format("%s %s", new Object[0]);
// :: warning: (format.indirect.arguments)
f.format("Empty", new Object[0]);
// :: warning: (format.indirect.arguments)
f.format("Empty", new Object[5]);
f.format("%s", new ArrayList<Object>());
f.format("%d %s", 132, new Object[2]);
f.format("%s %d", new Object[2], 123);
// :: error: (format.missing.arguments)
f.format("%d %s %s", 132, new Object[2]);
// :: error: (argument.type.incompatible)
f.format("%d %d", new Object[2], 123);
// :: error: (format.specifier.null) :: warning: (format.indirect.arguments)
f.format("%d %<f", new Object[1]);
// too many arguments
// :: warning: (format.excess.arguments)
f.format("", 213);
// :: warning: (format.excess.arguments)
f.format("%d", 232, 132);
// :: warning: (format.excess.arguments)
f.format("%s", "a", "b");
// :: warning: (format.excess.arguments)
f.format("%d %s", 123, "a", 123);
// too few arguments
// :: error: (format.missing.arguments)
f.format("%s");
// :: error: (format.missing.arguments)
f.format("%d %s", 545);
// :: error: (format.missing.arguments)
f.format("%s %c %c", 'c', 'c');
f.close();
}
}
|
