Grouping data is always useful in a database when using fields of a multiple-field primary key

Which declaration declares abstract method method1 in abstract class Class1 (method1 returns an int and takes no arguments)?

a) public int method1(); b) public int abstract method1(); c) public abstract int method1(); d) public int nonfinal method1();

Which of the following is NOT one of the specialized apps that provides targeted content supplied by MSN?

A. Forecast B. Maps C. Finance D. Travel