Esempio

public class ClassA {
private boolean b;
private Thread t;
public classA () {
//...
}
public void methodA() {
//...
b = Thread.interrupted();
}

}
Soluzione
Cambiare 'Thread.interrupted()' in 't.interrupted()'

public class ClassA {
private boolean b;
private Thread t;
public classA () {
//...
}
public void methodA() {
//...
b = Tt.interrupted();
}

}