gcc --version
2.96
(RedHat 7.0 Public Beta)


gcj Y.java  -o x --main=Y
Y.java: In class `Y':
Y.java: In method `main(java.lang.String[])':
Y.java:7: Constant expression required.
   case x:
   ^
1 error


cat Y.java
public class Y {
public static void main(String [] args)
{
 final int x=1;
 int i=2;
 switch(i) {
   case x:
 System.err.println(x);
   default:
        System.err.println("default");
 }
}
}