java - How do I test delete() in the class growingArray -


i'm learning growing array in java, , implemented method delete() in following code.

now want test method example array [1,2,3,4,5,6,7]

what have write in main method?

import java.util.arrays;  public abstract class growingarray {      protected object[] array;     protected static final int primaryqty = 10;     protected static final int secondaryqty = 5;     protected int index = 0;      public growingarray() {         array = new object[primaryqty];     }      public growingarray(int size) {         array = new object[size];     }      protected void grow() {         int oldsize = array.length;         int newsize = oldsize + secondaryqty;         object[] loc = new object[newsize];         (int = 0; < oldsize; i++)             loc[i] = array[i];         array = loc;     }      public object get(int at) {         return array[at];     }      public int getlength() {         return array.length;     }      public void add(object obj) {         if (index < array.length)             array[index++] = obj;         else {             grow();             array[index++] = obj;         }     }      public void delete(int x) {          (int = x; < array.length; i++) {             if (i == array.length - 1) {                 array[i] = null;                 system.out.println(array.tostring());             } else {                 array[i] = array[i + 1];                 system.out.println(array.tostring());             }         }     }      @override     public boolean equals(object obj) {         if (obj instanceof growingarray) {             return arrays.equals(array, ((growingarray) obj).array);         }         return false;     }      @override     public string tostring() {         return arrays.tostring(array);     }      public static void main(string args[]) {      //test   ?????      }  }

your class abstract. remove abstract class definition.


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