/*

 * @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";

}