Exam 1 Review

Here are some sample exam questions:

Explain the main parts of a method header.
Write a method that takes as input an array of integers and returns the sum of all elements in the array.
What is the output produced by the following code fragment:
        String s = "1|2|3|4";
        String[] theSplitString = s.split("2");
        System.out.print(theSplitString);
A.    [Ljava.lang.String;@8813f2
B.    Error – ArrayIndexOutOfBoundsException
C.    1|
D.    3 4
True or False: A method can be declared static.
True or False: All classes should provide getters and setters for all data members.
Explain the difference between == and .equals.
Identify at least two errors in the following class definition.

public class Score {
    private String initials;
    private int score;

    public Score(String initials, int score) {
        this.initials = initials;
        score = score;
    }

    public String getScore() {
        return score;
    }

}