Mega Code Archive
Promotion of primitives and overloading
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// : c04:PrimitiveOverloading.java
// Promotion of primitives and overloading.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
public class PrimitiveOverloading {
void f1(char x) {
System.out.println("f1(char)");
}
void f1(byte x) {
System.out.println("f1(byte)");
}
void f1(short x) {
System.out.println("f1(short)");
}
void f1(int x) {
System.out.println("f1(int)");
}
void f1(long x) {
System.out.println("f1(long)");
}
void f1(float x) {
System.out.println("f1(float)");
}
void f1(double x) {
System.out.println("f1(double)");
}
void f2(byte x) {
System.out.println("f2(byte)");
}
void f2(short x) {
System.out.println("f2(short)");
}
void f2(int x) {
System.out.println("f2(int)");
}
void f2(long x) {
System.out.println("f2(long)");
}
void f2(float x) {
System.out.println("f2(float)");
}
void f2(double x) {
System.out.println("f2(double)");
}
void f3(short x) {
System.out.println("f3(short)");
}
void f3(int x) {
System.out.println("f3(int)");
}
void f3(long x) {
System.out.println("f3(long)");
}
void f3(float x) {
System.out.println("f3(float)");
}
void f3(double x) {
System.out.println("f3(double)");
}
void f4(int x) {
System.out.println("f4(int)");
}
void f4(long x) {
System.out.println("f4(long)");
}
void f4(float x) {
System.out.println("f4(float)");
}
void f4(double x) {
System.out.println("f4(double)");
}
void f5(long x) {
System.out.println("f5(long)");
}
void f5(float x) {
System.out.println("f5(float)");
}
void f5(double x) {
System.out.println("f5(double)");
}
void f6(float x) {
System.out.println("f6(float)");
}
void f6(double x) {
System.out.println("f6(double)");
}
void f7(double x) {
System.out.println("f7(double)");
}
void testConstVal() {
System.out.println("Testing with 5");
f1(5);
f2(5);
f3(5);
f4(5);
f5(5);
f6(5);
f7(5);
}
void testChar() {
char x = 'x';
System.out.println("char argument:");
f1(x);
f2(x);
f3(x);
f4(x);
f5(x);
f6(x);
f7(x);
}
void testByte() {
byte x = 0;
System.out.println("byte argument:");
f1(x);
f2(x);
f3(x);
f4(x);
f5(x);
f6(x);
f7(x);
}
void testShort() {
short x = 0;
System.out.println("short argument:");
f1(x);
f2(x);
f3(x);
f4(x);
f5(x);
f6(x);
f7(x);
}
void testInt() {
int x = 0;
System.out.println("int argument:");
f1(x);
f2(x);
f3(x);
f4(x);
f5(x);
f6(x);
f7(x);
}
void testLong() {
long x = 0;
System.out.println("long argument:");
f1(x);
f2(x);
f3(x);
f4(x);
f5(x);
f6(x);
f7(x);
}
void testFloat() {
float x = 0;
System.out.println("float argument:");
f1(x);
f2(x);
f3(x);
f4(x);
f5(x);
f6(x);
f7(x);
}
void testDouble() {
double x = 0;
System.out.println("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();
}
} ///:~
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