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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	static class Student {
  11. 		private final int uwecId;
  12. 		private String firstName;
  13. 		private String lastName;
  14. 		private double GPA;
  15.  
  16. 		public Student(int uwecId, String firstName, String lastName, double GPA) {
  17. 			this.uwecId = uwecId;
  18. 			this.firstName = firstName;
  19. 			this.lastName = lastName;
  20. 			this.GPA = GPA;
  21. 		}
  22.  
  23. 		public int getUwecId() {
  24. 			return uwecId;
  25. 		}
  26.  
  27. 		public String getFirstName() {
  28. 			return firstName;
  29. 		}
  30.  
  31. 		public String getLastName() {
  32. 			return lastName;
  33. 		}
  34.  
  35. 		public double getGPA() {
  36. 			return GPA;
  37. 		}
  38. 	}
  39.  
  40.     static class StudentList extends ArrayList<Student>{
  41.         @Override
  42.         public String toString() {
  43.         	String outputString = "";
  44.             for (Student student : this) {
  45.                 outputString += String.format("UWECStudent = uwecId: %d, name: %s %s, gpa: %.2f\n",
  46.                     student.getUwecId(), student.getFirstName(), student.getLastName(), student.getGPA());
  47.             }
  48.             return outputString;
  49.         }        
  50.     }
  51.  
  52. 	public static void main (String[] args) throws java.lang.Exception {
  53.  
  54.         Student s1 = new Student(123, "John", "Doe", 3.5);
  55.         Student s2 = new Student(456, "Jane", "Doe", 4.0);
  56.  
  57.         StudentList students = new StudentList();
  58.         students.add(s1);
  59.         students.add(s2);
  60.  
  61.         System.out.println(students.toString());
  62. 	}
  63. }
Success #stdin #stdout 0.05s 2184192KB
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Standard input is empty
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UWECStudent = uwecId: 123, name: John Doe, gpa: 3.50
UWECStudent = uwecId: 456, name: Jane Doe, gpa: 4.00
https://ideone.com/fb0zqp
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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