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Java Source | 2000-05-25 | 4.8 KB | 143 lines |
- //: PrimitiveOverloading.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.)
- /////////////////////////////////////////////////
-
- // Promotion of primitives and overloading
-
- public class PrimitiveOverloading {
- // boolean can't be automatically converted
- 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(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 f2(double x) { prt("f2(double)"); }
-
- void f3(short x) { prt("f3(short)"); }
- void f3(int x) { prt("f3(int)"); }
- void f3(long x) { prt("f3(long)"); }
- void f3(float x) { prt("f3(float)"); }
- void f3(double x) { prt("f3(double)"); }
-
- void f4(int x) { prt("f4(int)"); }
- void f4(long x) { prt("f4(long)"); }
- void f4(float x) { prt("f4(float)"); }
- void f4(double x) { prt("f4(double)"); }
-
- void f5(long x) { prt("f5(long)"); }
- void f5(float x) { prt("f5(float)"); }
- void f5(double x) { prt("f5(double)"); }
-
- void f6(float x) { prt("f6(float)"); }
- void f6(double x) { prt("f6(double)"); }
-
- void f7(double x) { prt("f7(double)"); }
-
- void testConstVal() {
- prt("Testing with 5");
- f1(5);f2(5);f3(5);f4(5);f5(5);f6(5);f7(5);
- }
- void testChar() {
- char x = 'x';
- prt("char argument:");
- f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
- }
- void testByte() {
- byte x = 0;
- prt("byte argument:");
- f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
- }
- void testShort() {
- short x = 0;
- prt("short argument:");
- f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
- }
- void testInt() {
- int x = 0;
- prt("int argument:");
- f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
- }
- void testLong() {
- long x = 0;
- prt("long argument:");
- f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
- }
- void testFloat() {
- float x = 0;
- prt("float argument:");
- f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
- }
- void testDouble() {
- double x = 0;
- prt("double argument:");
- f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
- }
- public static void main(String[] args) {
- PrimitiveOverloading p =
- new PrimitiveOverloading();
- p.testConstVal();
- p.testChar();
- p.testByte();
- p.testShort();
- p.testInt();
- p.testLong();
- p.testFloat();
- p.testDouble();
- }
- } ///:~