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 /*

  * @test  /nodynamiccopyright/

  * @bug 6227617

  * @summary Lint option for redundant casts

  * @compile -Werror T6227617.java

  * @compile/ref=T6227617.out -XDstdout -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";

 }