// housekeeping/PrimitiveOverloading.java // (c)2016 MindView LLC: see Copyright.txt // We make no guarantees that this code is fit for any purpose. // Visit http://mindviewinc.com/Books/OnJava/ for more book information. // Promotion of primitives and overloading public class PrimitiveOverloading { void f1(char x) { System.out.print("f1(char) "); } void f1(byte x) { System.out.print("f1(byte) "); } void f1(short x) { System.out.print("f1(short) "); } void f1(int x) { System.out.print("f1(int) "); } void f1(long x) { System.out.print("f1(long) "); } void f1(float x) { System.out.print("f1(float) "); } void f1(double x) { System.out.print("f1(double) "); } void f2(byte x) { System.out.print("f2(byte) "); } void f2(short x) { System.out.print("f2(short) "); } void f2(int x) { System.out.print("f2(int) "); } void f2(long x) { System.out.print("f2(long) "); } void f2(float x) { System.out.print("f2(float) "); } void f2(double x) { System.out.print("f2(double) "); } void f3(short x) { System.out.print("f3(short) "); } void f3(int x) { System.out.print("f3(int) "); } void f3(long x) { System.out.print("f3(long) "); } void f3(float x) { System.out.print("f3(float) "); } void f3(double x) { System.out.print("f3(double) "); } void f4(int x) { System.out.print("f4(int) "); } void f4(long x) { System.out.print("f4(long) "); } void f4(float x) { System.out.print("f4(float) "); } void f4(double x) { System.out.print("f4(double) "); } void f5(long x) { System.out.print("f5(long) "); } void f5(float x) { System.out.print("f5(float) "); } void f5(double x) { System.out.print("f5(double) "); } void f6(float x) { System.out.print("f6(float) "); } void f6(double x) { System.out.print("f6(double) "); } void f7(double x) { System.out.print("f7(double) "); } void testConstVal() { System.out.print("5: "); f1(5);f2(5);f3(5);f4(5);f5(5);f6(5);f7(5); System.out.println(); } void testChar() { char x = 'x'; System.out.print("char: "); f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x); System.out.println(); } void testByte() { byte x = 0; System.out.print("byte: "); f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x); System.out.println(); } void testShort() { short x = 0; System.out.print("short: "); f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x); System.out.println(); } void testInt() { int x = 0; System.out.print("int: "); f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x); System.out.println(); } void testLong() { long x = 0; System.out.print("long: "); f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x); System.out.println(); } void testFloat() { float x = 0; System.out.print("float: "); f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x); System.out.println(); } void testDouble() { double x = 0; System.out.print("double: "); f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x); System.out.println(); } 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(); } } /* Output: 5: f1(int) f2(int) f3(int) f4(int) f5(long) f6(float) f7(double) char: f1(char) f2(int) f3(int) f4(int) f5(long) f6(float) f7(double) byte: f1(byte) f2(byte) f3(short) f4(int) f5(long) f6(float) f7(double) short: f1(short) f2(short) f3(short) f4(int) f5(long) f6(float) f7(double) int: f1(int) f2(int) f3(int) f4(int) f5(long) f6(float) f7(double) long: f1(long) f2(long) f3(long) f4(long) f5(long) f6(float) f7(double) float: f1(float) f2(float) f3(float) f4(float) f5(float) f6(float) f7(double) double: f1(double) f2(double) f3(double) f4(double) f5(double) f6(double) f7(double) */