Question
Note: Assuming that data must be protected from corruption, what—if anything—can you add to the preceding code to ensure the integrity of data?
public class SyncTest
{
public static void main (String [] args)
{
Thread t = new Thread()
{
Foo f = new Foo();
public void run()
{
f.increase(20);
}
};
t.start();
}
}
class Foo
{
private int data = 23;
public void increase(int amt)
{
int x = data;
data = x + amt;
}
}a.
Synchronize the run method.
b.
Wrap a synchronize(this) around the call to f.increase().
c.
The existing code will cause a runtime exception.
d.
Synchronize the increase() method
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Q. What will be the output of the program? Note: Assuming that data must be protected from corruption, what—if anything—can you add to the preceding code to ensure the integrity of...
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