剛抄襲他人的，JAVA新特性。哎.......

1. 自動裝箱與拆箱 對應C# 例1.1 Integer i = 10; int j = i; 2. 更優化的for循環 對應就C#---foreach循環 例2.1 String[] names = {"BadBoy","GoodBoy","HappyGirl","sadGirl"}; for(String option: names) { System.out.println(option);

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