【ThinkingInJava】5、以Object數組作為參數

標籤：java   java編程思想   object   

/*** 書本:《Thinking In Java》* 功能:以Object數組作為參數* 檔案:VarArgs.java* 時間:2014年10月6日20:04:18* 作者:cutter_point*/package Lesson5InitializationAndCleanUp;class A{}public class VarArgs {static void printArray(Object [] args){for(Object obj : args)//逐個輸出args裡面的對象System.out.println(obj+" ");//foreach文法System.out.println(); //換行}static void printArray2(Object...  args)//這種可變參數列表{for(Object obj : args)//逐個輸出args裡面的對象System.out.println(obj+" ");//foreach文法System.out.println(); //換行}public static void main(String [] args){printArray(new Object[]{new Integer(47), new Float(3.14), new Double(11.11)});//裡面是對匿名Object數組進行初始化printArray2(new Object[]{new Integer(47), new Float(3.14), new Double(11.11)});//裡面是對匿名Object數組進行初始化printArray2(47, 3.14F, 11.11);printArray(new Object[]{"one", "two", "three"});//字元初始化printArray2("one", "two", "three");//字元初始化printArray(new Object[]{new A(), new A(), new A()});}}

輸出結果：

47
3.14
11.11

47
3.14
11.11

47
3.14
11.11

one
two
three

one
two
three

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【ThinkingInJava】5、以Object數組作為參數