31 lines
879 B
Java
31 lines
879 B
Java
// housekeeping/NewVarArgs.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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// Using array syntax to create variable argument lists
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public class NewVarArgs {
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static void printArray(Object... args) {
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for(Object obj : args)
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System.out.print(obj + " ");
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System.out.println();
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}
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public static void main(String[] args) {
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// Can take individual elements:
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printArray(47, (float) 3.14, 11.11);
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printArray(47, 3.14F, 11.11);
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printArray("one", "two", "three");
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printArray(new A(), new A(), new A());
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// Or an array:
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printArray((Object[])new Integer[]{ 1, 2, 3, 4 });
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printArray(); // Empty list is OK
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}
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}
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/* Output:
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47 3.14 11.11
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47 3.14 11.11
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one two three
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A@1db9742 A@106d69c A@52e922
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1 2 3 4
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*/
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