java clone list code example

Example 1: java copy list

List<Object> copy = new ArrayList<>();
copy.addAll(originalList);

Example 2: java copy list

List<Object> copy = new ArrayList<>(original_list);

Example 3: java clone method

int serial = 123;
MyObject thing1 = new MyObject(serial, "Name");
thing1.addDescription("The object I plan on cloning");

MyObject thing2 = thing1.clone();



@Override
public Object clone() throws CloneNotSupportedException {
	MyObject clone = new MyObject(this.serial, this.name); // All items were immutable
  	clone.description = new String(this.description); // If a field is not immutable
  	return clone;
}