I am getting numerous errors in my main class saying that a raw type is found and type ICombinable does not take parameters

public class Main t ublic static >T combineAll (ArravList list if (list.size) >0) //taking first object |Combinable c 11st.get(0 //loopin through remaining objects and combining them for (int i = l; i numberCombinations ArrayList(); = new numberCombinations.add (new NumberCombination (1)) numberCombinations.add (new NumberCombination (2)) numberCombinations.add (new NumberCombination (3)) numberCombinations.add (new NumberCombination (4)) numberCombinations.add (new NumberCombination (5)) NumberCombination c-combineAll1 (numberCombinations) System.out.println (c.getTotal)) //should display 360 Defining an array list of StringCombination obpects and testing combineAll method ArrayList stringCombinations new ArrayList(); stringCombinations.add (new StringCombination ("one") stringCombinations.add (new StringCombination ("two")) stringCombinations.add (new StringCombination ("three")) stringCombinations.add (new StringCombination ("four") stringCombinations.add (new StringCombination ("five")) StringCombination s-combineAll1 (stringCombinations) System.out.println (s.getCombinedString )): //onetwothreefourfive