About the Java Copy array method arrays.copyof () is address passing or value passing

Basic element for object, shallow copy, copy reference (ArrayList clone () call arrays.copyof (), official document marked as shallow copy)

classa{intA;  PublicAinta) {                 This. a=A; }             PublicString toString () {returnA + ""; }} a[] KK=NewA[2]; kk[0]=NewA (1); kk[1]=NewA (2); A[] KKK=arrays.copyof (kk,2); System.out.println (KK==KKK);        System.out.println (Kk.equals (KKK));        System.out.println (Arrays.tostring (KK));        System.out.println (arrays.tostring (KKK)); kk[0].a=555555;        System.out.println (Arrays.tostring (KK)); System.out.println (arrays.tostring (KKK));

/*

False
False
[1, 2]
[1, 2]
[555555, 2]
[555555, 2]

is a value,

        int [] a=newint[2];        a[0]=11;        a[1]=2;         int [] B=arrays.copyof (A, 2);        a[1]=3333333;        System.out.println (Arrays.tostring (a));        System.out.println (arrays.tostring (b));   /* output[11, 3333333][11, 2]

　　

About the Java Copy array method arrays.copyof () is address passing or value passing