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@dai0304
Created May 23, 2012 03:04
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public final class Immutable {
private final String message;
public Mutable(String message) {
this.message = message;
}
public void hello() {
System.out.println(message);
}
}
public class Mutable {
private String message;
public Mutable(String message) {
this.message = message;
}
public void hello() {
System.out.println(message);
}
public void setMessage(String message) {
this.message = message;
}
}
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