ArrayCloneExample.java

ArrayCloneExample.java

public class ArrayCloneExample {

	public static void main(String[] args) {
		int[] a = {1,2,3};
		int[] b = a.clone();
		
		System.out.println(a == b ? "Same Instance":"Different Instance");
		//Outputs different instance
		
		b[0] = 5;
		System.out.println(a[0]);
		System.out.println(b[0]);
		//Outputs: 1
		//         5
			
		//Array containing Objects
		Dog[] myDogs = new Dog[4];
		
		myDogs[0] = new Dog("Wolf");
		myDogs[1] = new Dog("Pepper");
		myDogs[2] = new Dog("Bullet");
		myDogs[3] = new Dog("Sadie");

		Dog[] myDogsClone = myDogs.clone();
		
		System.out.println(myDogs[0] == myDogsClone[0] ? "Same":"Different");
		System.out.println(myDogs[1] == myDogsClone[1] ? "Same":"Different");
		System.out.println(myDogs[2] == myDogsClone[2] ? "Same":"Different");
		System.out.println(myDogs[3] == myDogsClone[3] ? "Same":"Different");
		
		myDogsClone[0].setName("Ruff");	
		System.out.println(myDogs[0].getName());
		
		myDogsClone[1] = new Dog("Spot");
		System.out.println(myDogsClone[1].getName());
		System.out.println(myDogs[1].getName());
	}
	
	static class Dog{
		
		private String name;
		
		public Dog(String name) {
			super();
			this.name = name;
		}

		public String getName() {
			return name;
		}

		public void setName(String name) {
			this.name = name;
		}
		
	}
}