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  1. class Ideone {
  2.  
  3.     public static void main(String args[]) {
  4.         final Student s1 = new Student(1000, "John", "Male", 18, 2234567890L, 3.8, 'B');
  5.         final Student s2 = new Student(1001, "Indresh", "Male", 20, 2234567893L, 4.0, 'C', true);
  6.         final Student s3 = new Student(1002, "Anita", "Female", 25, 2234568793L, 4.2, 'B', true);
  7.         System.out.println("student1: " + s1.name);
  8.         System.out.println("student2: " + s2.name);
  9.         System.out.println("student3: " + s3.name);
  10.  
  11.         Student[] students = {s1, s2, s3};
  12.  
  13.         // Before Swap
  14.         System.out.println("\n\nBefore Swap\n--------");
  15.         System.out.println("student1: " + students[0].name);
  16.         System.out.println("student2: " + students[1].name);
  17.         System.out.println("student3: " + students[2].name);
  18.  
  19.  
  20.         swap_s1_n_s3(students, 0, 2);
  21.  
  22.         // After swap
  23.         System.out.println("\n\nAfter Swap, Inside StudentTest class\n--------");
  24.  
  25.         System.out.println("student1: " + students[0].name);
  26.         System.out.println("student2: " + students[1].name);
  27.         System.out.println("student3: " + students[2].name);
  28.  
  29.     }
  30.  
  31.  
  32.     static void swap_s1_n_s3(Student[] students, int first, int last) {
  33.         System.out.println("\n\n------------\nINSIDE SWAP METHOD");
  34.         Student s5;
  35.         s5 = students[first];
  36.         students[first] = students[last];
  37.         students[last] = s5;
  38.  
  39.         System.out.println("\n\nstudent1: " + students[0].name);
  40.         System.out.println("student2: " + students[1].name);
  41.         System.out.println("student3: " + students[2].name);
  42.         System.out.println("\nEXIT SWAP METHOD");
  43.     }
  44. }
  45.  
  46. class Student {
  47.     static int computeCount;
  48.     int id;
  49.     int age;
  50.     String name;
  51.     String gender;
  52.     short rank;
  53.     double gpa;
  54.     long phone;
  55.     char degree;
  56.  
  57.     boolean international;
  58.     double tutionfees = 12000;
  59.     double internationalFees = 5000;
  60.  
  61.     Student(int id, String name, String gender, int age, long phone, double gpa, char degree) {
  62.         this(id, name, gender, age, phone, gpa, degree, false);
  63.     }
  64.  
  65.  
  66.     Student(int id, String name, String gender, int age, long phone, double gpa, char degree, boolean international) {
  67.         this.id = id;
  68.         this.name = name;
  69.         this.gender = gender;
  70.         this.age = age;
  71.         this.phone = phone;
  72.         this.gpa = gpa;
  73.         this.degree = degree;
  74.         this.international = international;
  75.     }
  76. }
Success #stdin #stdout 0.09s 36540KB
comments (?)
stdin 
Standard input is empty
stdout 
student1: John
student2: Indresh
student3: Anita


Before Swap
--------
student1: John
student2: Indresh
student3: Anita


------------
INSIDE SWAP METHOD


student1: Anita
student2: Indresh
student3: John

EXIT SWAP METHOD


After Swap, Inside StudentTest class
--------
student1: Anita
student2: Indresh
student3: John
https://ideone.com/Bz5XdE
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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