LastElement.java

package masiv;

public class LastElement {

	public static void main(String[] args) {
		
		int [] data={1,10,5,7,6};
		int [] data1={0};
		int [] data2={};
		int [] data3={0,0,15,25,16};
		int [] data4={-3,25,2};
		
		System.out.println(getLast(data));
		System.out.println(getLast(data1));
		System.out.println(getLast(data2));
		System.out.println(getLast(data3));
		System.out.println(getLast(data4));

	}
	static int getLast(int[] data)
	{
		if(data==null || data.length==0)
			return -1;
		return data[data.length-1];
	}

}