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1.
a)
int i = 0;
String scrambled = word;
while (i<word.length()-1) {
	if (word[i].equals("A") {
		scrambled[i]=word[i+1];
		scrambled[i+1]=word[i];
	}
	i++;
}
return scrambled;

b)
int i = 0;
while (i<wordList.size()) {
	String word = wordList.remove(i);
	String scrambled = scrambleWord(word);
	
	if (!(word.equals("scrambled")) {
		wordList.add(scrambled);
	}
	i++;
}
2. GridWorld

3.
a)
public SeatingChart(List<Student> studentList, int rows, int cols) {
	int i = 0;
	seats = new Student[rows][cols];
	for (int c=0; c<cols; c++) {
		for (int r=0; r<rows; r++) {
			if (i<studentList.size()) {
				seats[r][c] = studentList.get(i);
			}
			i++;
		}
	}
}
b)
int numRemoved = 0;
for (int r=0; r<seats.length(); r++) {
	for (int c=0; c<seats[0].length(); c++) {
		Student s = seats[r][c];
		if (s.getAbsenceCount()>allowedAbsences) {
			seats[r][c]=null;
			numRemoved++;
		}
	}
}

return numRemoved;

4.a)

public class Trio implements MenuItem {
	private String name;
	private double price;
	
	public Trio(Sandwich sndwch, Salad sld, Drink drnk) {
		name = sndwch.getName() + "//" + sld.getName() + "//" + drnk.getName() + " 									Trio";

		if (drnk.getName().equals("Cappuccino")) {
			price = 6.25;
		} else {
			price = 4.00;
		}
	}
	
	public String getName() {
		return name;
	}
	
	public double getPrice() {
		return price;
	}
}