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Java Source | 2000-05-25 | 3.8 KB | 101 lines |
- //: Demotion.java
- //////////////////////////////////////////////////
- // Copyright (c) Bruce Eckel, 1998
- // Source code file from the book "Thinking in Java"
- // All rights reserved EXCEPT as allowed by the
- // following statements: You can freely use this file
- // for your own work (personal or commercial),
- // including modifications and distribution in
- // executable form only. Permission is granted to use
- // this file in classroom situations, including its
- // use in presentation materials, as long as the book
- // "Thinking in Java" is cited as the source.
- // Except in classroom situations, you cannot copy
- // and distribute this code; instead, the sole
- // distribution point is http://www.BruceEckel.com
- // (and official mirror sites) where it is
- // freely available. You cannot remove this
- // copyright and notice. You cannot distribute
- // modified versions of the source code in this
- // package. You cannot use this file in printed
- // media without the express permission of the
- // author. Bruce Eckel makes no representation about
- // the suitability of this software for any purpose.
- // It is provided "as is" without express or implied
- // warranty of any kind, including any implied
- // warranty of merchantability, fitness for a
- // particular purpose or non-infringement. The entire
- // risk as to the quality and performance of the
- // software is with you. Bruce Eckel and the
- // publisher shall not be liable for any damages
- // suffered by you or any third party as a result of
- // using or distributing software. In no event will
- // Bruce Eckel or the publisher be liable for any
- // lost revenue, profit, or data, or for direct,
- // indirect, special, consequential, incidental, or
- // punitive damages, however caused and regardless of
- // the theory of liability, arising out of the use of
- // or inability to use software, even if Bruce Eckel
- // and the publisher have been advised of the
- // possibility of such damages. Should the software
- // prove defective, you assume the cost of all
- // necessary servicing, repair, or correction. If you
- // think you've found an error, please email all
- // modified files with clearly commented changes to:
- // Bruce@EckelObjects.com. (Please use the same
- // address for non-code errors found in the book.)
- /////////////////////////////////////////////////
-
- // Demotion of primitives and overloading
-
- public class Demotion {
- static void prt(String s) {
- System.out.println(s);
- }
-
- void f1(char x) { prt("f1(char)"); }
- void f1(byte x) { prt("f1(byte)"); }
- void f1(short x) { prt("f1(short)"); }
- void f1(int x) { prt("f1(int)"); }
- void f1(long x) { prt("f1(long)"); }
- void f1(float x) { prt("f1(float)"); }
- void f1(double x) { prt("f1(double)"); }
-
- void f2(char x) { prt("f2(char)"); }
- void f2(byte x) { prt("f2(byte)"); }
- void f2(short x) { prt("f2(short)"); }
- void f2(int x) { prt("f2(int)"); }
- void f2(long x) { prt("f2(long)"); }
- void f2(float x) { prt("f2(float)"); }
-
- void f3(char x) { prt("f3(char)"); }
- void f3(byte x) { prt("f3(byte)"); }
- void f3(short x) { prt("f3(short)"); }
- void f3(int x) { prt("f3(int)"); }
- void f3(long x) { prt("f3(long)"); }
-
- void f4(char x) { prt("f4(char)"); }
- void f4(byte x) { prt("f4(byte)"); }
- void f4(short x) { prt("f4(short)"); }
- void f4(int x) { prt("f4(int)"); }
-
- void f5(char x) { prt("f5(char)"); }
- void f5(byte x) { prt("f5(byte)"); }
- void f5(short x) { prt("f5(short)"); }
-
- void f6(char x) { prt("f6(char)"); }
- void f6(byte x) { prt("f6(byte)"); }
-
- void f7(char x) { prt("f7(char)"); }
-
- void testDouble() {
- double x = 0;
- prt("double argument:");
- f1(x);f2((float)x);f3((long)x);f4((int)x);
- f5((short)x);f6((byte)x);f7((char)x);
- }
- public static void main(String[] args) {
- Demotion p = new Demotion();
- p.testDouble();
- }
- } ///:~