java 解析System.arraycopy

public class Test {  public static void main(String[]args)  {     int[]a={1,2,3,4,5,6,7,8,9,10};     int[]b={11,22,33,44,55,66,77,88,99,100};     arrayCopy(a,5,b,5,4);     print(b);spa  }  public stat

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