发布一篇主范例的过载 - 仓酷云

//:PrimitiveOverloading.java
//Promotionofprimitivesandoverloading
publicclassPrimitiveOverloading{
//booleancantbeautomaticallyconverted
staticvoidprt(Strings){
System.out.println(s);
}
voidf1(charx){prt("f1(char)");}
voidf1(bytex){prt("f1(byte)");}
voidf1(shortx){prt("f1(short)");}
voidf1(intx){prt("f1(int)");}
voidf1(longx){prt("f1(long)");}
voidf1(floatx){prt("f1(float)");}
voidf1(doublex){prt("f1(double)");}
voidf2(bytex){prt("f2(byte)");}
voidf2(shortx){prt("f2(short)");}
voidf2(intx){prt("f2(int)");}
voidf2(longx){prt("f2(long)");}
voidf2(floatx){prt("f2(float)");}
voidf2(doublex){prt("f2(double)");}
voidf3(shortx){prt("f3(short)");}
voidf3(intx){prt("f3(int)");}
voidf3(longx){prt("f3(long)");}
voidf3(floatx){prt("f3(float)");}
voidf3(doublex){prt("f3(double)");}
voidf4(intx){prt("f4(int)");}
voidf4(longx){prt("f4(long)");}
voidf4(floatx){prt("f4(float)");}
voidf4(doublex){prt("f4(double)");}
voidf5(longx){prt("f5(long)");}
voidf5(floatx){prt("f5(float)");}
voidf5(doublex){prt("f5(double)");}
voidf6(floatx){prt("f6(float)");}
voidf6(doublex){prt("f6(double)");}
voidf7(doublex){prt("f7(double)");}
voidtestConstVal(){
prt("Testingwith5");
f1(5);f2(5);f3(5);f4(5);f5(5);f6(5);f7(5);
}
voidtestChar(){
charx=x;
prt("charargument:");
f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
}
voidtestByte(){
bytex=0;
prt("byteargument:");
f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
}
voidtestShort(){
shortx=0;
prt("shortargument:");
f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
}
voidtestInt(){
intx=0;
prt("intargument:");
f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
}
voidtestLong(){
longx=0;
prt("longargument:");
f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
}
voidtestFloat(){
floatx=0;
prt("floatargument:");
f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
}
voidtestDouble(){
doublex=0;
prt("doubleargument:");
f1(x);f2(x);f3(x);f4(x);f5(x);f6(x);f7(x);
}
publicstaticvoidmain(String[]args){
PrimitiveOverloadingp=
newPrimitiveOverloading();
p.testConstVal();
p.testChar();
p.testByte();
p.testShort();
p.testInt();
p.testLong();
p.testFloat();
p.testDouble();
}
}///:~
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//:Demotion.java
//Demotionofprimitivesandoverloading
publicclassDemotion{
staticvoidprt(Strings){
System.out.println(s);
}
voidf1(charx){prt("f1(char)");}
voidf1(bytex){prt("f1(byte)");}
voidf1(shortx){prt("f1(short)");}
voidf1(intx){prt("f1(int)");}
voidf1(longx){prt("f1(long)");}
voidf1(floatx){prt("f1(float)");}
voidf1(doublex){prt("f1(double)");}
voidf2(charx){prt("f2(char)");}
voidf2(bytex){prt("f2(byte)");}
voidf2(shortx){prt("f2(short)");}
voidf2(intx){prt("f2(int)");}
voidf2(longx){prt("f2(long)");}
voidf2(floatx){prt("f2(float)");}
voidf3(charx){prt("f3(char)");}
voidf3(bytex){prt("f3(byte)");}
voidf3(shortx){prt("f3(short)");}
voidf3(intx){prt("f3(int)");}
voidf3(longx){prt("f3(long)");}
voidf4(charx){prt("f4(char)");}
voidf4(bytex){prt("f4(byte)");}
voidf4(shortx){prt("f4(short)");}
voidf4(intx){prt("f4(int)");}
voidf5(charx){prt("f5(char)");}
voidf5(bytex){prt("f5(byte)");}
voidf5(shortx){prt("f5(short)");}
voidf6(charx){prt("f6(char)");}
voidf6(bytex){prt("f6(byte)");}
voidf7(charx){prt("f7(char)");}
voidtestDouble(){
doublex=0;
prt("doubleargument:");
f1(x);f2((float)x);f3((long)x);f4((int)x);
f5((short)x);f6((byte)x);f7((char)x);
}
publicstaticvoidmain(String[]args){
Demotionp=newDemotion();
p.testDouble();
}
}///:~
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