why this is not possible ?

Question

3.00/5 (2 votes)

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C#

public class Sa {
     int rollno;
     String name;
     void insertRecord(int r, String n){  //method
      rollno=r;
      name=n;
     }
     void displayInformation(){System.out.println(rollno+" "+name);}//method
     public static void main(String args[]){
      Sa s2,s1=new Sa();
      //Sa s2=new Sa();

      s1.insertRecord(111,"Karan");
      s2.insertRecord(222,"Aryan");
      s1.displayInformation();
      s2.displayInformation();
     }
}

Posted 13-Nov-14 2:02am

bh@r@t

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Manfred Rudolf Bihy · Accepted Answer · 2014-11-13T02:29:00

I suppose you're talking about this part here:

Java

Sa s2,s1=new Sa();

and would like to a.) s2 and s1 point to the same Sa object or b.) have each s1 and s2 point to two different Sa instances. b) would not make any sense at all since there is only one instantiation call (new) in the line you wrote, but you could rewrite it as

Java

Sa s2 = new Sa(), s1 = new Sa();

a) wouldn't work either since each initialization needs its own assignment operator. See above.

You could have found this out by yourself though by reading the language specification.

Cheers!