Question: please complete the function below: /** * size * size returns the number of key-value pairs in the symbol table. * it returns 0 if

please complete the function below:

/**

* size

* size returns the number of key-value pairs in the symbol table.

* it returns 0 if the symbol table is empty.

*/

public int size () {

return -1; // ToDo 1 fix this

}

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