Question
write the method that takes an array of objects of type ClassA and a single object x of type ClassA as parameters. Code of ClassA
write the method that takes an array of objects of type ClassA and a single objectxof type ClassA as parameters. Code of ClassA is provided. The method returns the number of occurrences of object x in the given array of objects. When array is empty, the method returns 0.
import java.util.ArrayList;
public class ClassB {
private ArrayList
private int second;
public ClassB()
{
first = new ArrayList
second = 0;
}
public ClassB(ClassB obj)
{
System.out.println("Placeholder for copy constructor");
}
public void push(String n)
{
first.add(n);
second++;
}
public String toString()
{
if (second == 0) return "{first=[]; second=0}";
else return "{first="+first.toString()+"; second="+second+"}";
}
public ArrayList
{
return new ArrayList
}
}
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