Specifications

Sun Services
Java™ Programming Language Module 3, slide 26 of 37
Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. Sun Services, Revision F
Assigning References
• Two variables refer to a single object:
1 int x = 7;
2 int y = x;
3 MyDate s = new MyDate(22, 7, 1964);
4 MyDate t = s;
• Reassignment makes two variables point to two
objects:
5 t = new MyDate(22, 12, 1964);
x
7
y
7
s
0x01234567
t
0x01234567
22 7 1964
x
7
y
7
s
0x01234567
t
0x12345678
22 7 1964
22 12 1964