public class Undergraduate
1: //Undergraduate.java
2:
3: public class Undergraduate
4: extends Student
5: {
6: private int level;
7: //1 for freshman, 2 for sophomore, 3 for junior, or 4 for senior.
8:
9: public Undergraduate()
10: {
11: super();
12: level = 1;
13: }
14:
15: public Undergraduate
16: (
17: String initialName,
18: int initialStudentNumber,
19: int initialLevel
20: )
21: {
22: super(initialName, initialStudentNumber);
23: setLevel(initialLevel); //Checks 1 <= initialLevel <= 4
24: }
25:
26: public void reset
27: (
28: String newName,
29: int newStudentNumber,
30: int newLevel
31: )
32: {
33: reset(newName, newStudentNumber); //StudentÕs reset
34: setLevel(newLevel); //Checks 1 <= newLevel <= 4
35: }
36:
37: public int getLevel()
38: {
39: return level;
40: }
41:
42: public void setLevel
43: (
44: int newLevel
45: )
46: {
47: if ((1 <= newLevel) && (newLevel <= 4))
48: level = newLevel;
49: else
50: {
51: System.out.println("Illegal level!");
52: System.exit(0);
53: }
54: }
55:
56: public void writeOutput()
57: {
58: super.writeOutput();
59: System.out.println("Student Level: " + level);
60: }
61:
62: public boolean equals
63: (
64: Undergraduate otherUndergraduate
65: )
66: {
67: return equals((Student)otherUndergraduate) &&
68: (this.level == otherUndergraduate.level);
69: }
70: /*
71: //Alternate version of equals() method
72: public boolean equals
73: (
74: Undergraduate otherUndergraduate
75: )
76: {
77: return super.equals(otherUndergraduate) &&
78: (this.level == otherUndergraduate.level);
79: }
80: */
81: }