use Arrays.copyOf to copy array

  

import java.util.Arrays;

class MainClass
{
    public static void main(String args[])
    {
        int arrayOriginal[] = {42, 55, 21};
        int arrayNew[] =
            Arrays.copyOf(arrayOriginal, 3);             
        printIntArray(arrayNew);
    }

    static void printIntArray(int arrayNew[])
    {
        for (int i : arrayNew)
        {
            System.out.print(i);
            System.out.print(' ');
        }
        System.out.println();
    }
}

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use Arrays.copyOf to copy array : Arrays « Collections Data Structure « Java

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