How to compare two strings ?

JAVA Program

public class StringCompareEmp {
	public static void main(String args[]) {
		String str = "Hello World";
		String anotherString = "hello world";
		Object objStr = str;
		System.out.println( str.compareTo(anotherString) );
		System.out.println( str.compareToIgnoreCase(anotherString) );
		System.out.println( str.compareTo(objStr.toString()));
	}
}

Output

-32
0
0