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1¡¢   public class HelloWorld {
    public static void main(String args[]){
     String s="daxiong";
     System.out.println("Hello,World!"+"lu shenglong"+s);
     char c[]={'s','w','q'};
    &nb ......

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     int[] arrayInt=new int[] {1,2,3,4,5}
     ArrayList  alist =ArrayList();
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    foreach(int i in alist)
    {
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