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MessagePassingEx1.java

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package abcPackage;

/* MessagePassingEx1.java */

/* MessagePassing */

public class MessagePassingEx1 {

public static void main(String args[]){

Student polash = new Student();

polash.setData(302, "Polash", 59.50f);

polash.display();

Student shimul = new Student();

shimul.setData(102, "Simul", 95.50f);

shimul.display();

System.out.println("- --- - - - - -- ");

Student S1 = new Student(); // Creates object S1

Student S2 = new Student(); // Creates object S2

S1.setData(101, "Mahdi", 100); // Invokes S1 objects'a setData() method

S2.setData(101, "Mahdi", 100); // Invokes S2 objects'a setData() method

S1.display(); // Invokes S1 objects'a display() method

System.out.println(); // Invokes S1 objects'a display() method

S2.display();

System.out.println("====================================== ");

if (S1.Roll == S2.Roll) // If (S1.Roll == S2.Roll) is true

System.out.println("Mahdi and Munim have same roll");

else // If (S1.Roll != S2.Roll) is false

System.out.println("Mahdi and Munim do not have same roll");

if (S1 == S2) // If (S1 == S2) is true

System.out.println("The students S1 and S2 are same ");

else // If (S1 != S2) is false

System.out.println("The students S1 and S2 are NOT same ");

}

}