1: //PayInterface.java 2: //Interface containing two methods common to other classes 4: /** 5: * An interface for implementation by any class requring 6: * a method to compute a weekly gross wage. 7: */ 8: public interface PayInterface 9: { 10: /** 11: * Gets a weekly gross wage. 12: * @return A value of a weekly gross wage. 13: */ 14: public double getGrossWage(); 15: }