class T
{
	
}
public class ArrayDemo {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		T obj = new T();  
		System.out.println("Object is "+obj.toString());
		String y = new String("Hello");
		System.out.println(y.toUpperCase());
		System.out.println("String is "+y.toString());
		int y1[][]=new int[3][30];
		int x[] = new int[10];  // x is an object of array type
		System.out.println("Array is "+y1);
		System.out.println(y1[0].length);

	}

}