/*
* @test /nodynamiccopyright/
* @bug 6227617
* @summary Lint option for redundant casts
* @compile -Werror T6227617.java
* @compile/ref=T6227617.out -XDrawDiagnostics -Xlint:cast T6227617.java
*/
import java.util.HashMap;
import java.util.Map;
class T6227617 {
void m() {
int i1 = 2;
int i2 = (int) i1; // warn
float f1 = 1f;
int i3 = (int) f1;
String s = (String) ""; // warn
Object o = (Object) "";
Map<String, Integer> m = new HashMap<String, Integer>();
Integer I1 = (Integer) m.get(""); // warn
}
// The following cause NPE in Attr with an Attr-based solution for -Xlint:cast
static final int i1 = Foo.i1;
static final String s = Foo.s;
}
class Foo
{
static final int i1 = (int) 1;
static final int i2 = (int) 1L;
static final String s = (String) "abc";
}