Check out example codes for "java clone method". It will help you in understanding the concepts better.

Code Example 1

const first = {'name': 'alka', 'age': 21} 
const another = Object.assign({}, first);

Code Example 2

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;
}

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