13 lines
333 B
Java
13 lines
333 B
Java
|
//: references/ImmutableInteger.java
|
||
|
|
// The Integer class cannot be changed.
|
||
|
|
import java.util.*;
|
||
|
|
|
||
|
|
public class ImmutableInteger {
|
||
|
|
public static void main(String[] args) {
|
||
|
|
List v = new ArrayList();
|
||
|
|
for(int i = 0; i < 10; i++)
|
||
|
|
v.add(new Integer(i));
|
||
|
|
// But how do you change the int inside the Integer?
|
||
|
|
}
|
||
|
|
} ///:~
|