OnJava8-Examples/housekeeping/OverloadingVarargs.java at master · xinan-w/OnJava8-Examples · GitHub

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// housekeeping/OverloadingVarargs.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

public class OverloadingVarargs {

static void f(Character... args) {

System.out.print("first");

for(Character c : args)

System.out.print(" " + c);

System.out.println();

}

static void f(Integer... args) {

System.out.print("second");

for(Integer i : args)

System.out.print(" " + i);

System.out.println();

}

static void f(Long... args) {

System.out.println("third");

}

public static void main(String[] args) {

f('a', 'b', 'c');

f(1);

f(2, 1);

f(0);

f(0L);

//- f(); // Won't compile -- ambiguous

}

/* Output:

first a b c

second 1

second 2 1

second 0

third