Let's say I have a class:
class A {
public A fun() {
System.out.println("a");
return this;
}
}
And a scenario:
A a = new A();
a.fun().fun().fun().fun();
a.fun().fun();
Is it somehow possible to print additional message in the first call of each sequenced calls without adding something like .start()
/ .finalize()
?
You could do something like this:
public class A {
public A fun() {
System.out.println("A");
return new AA();
}
private class AA extends A {
@Override
public A fun() {
System.out.println("AA");
return this;
}
}
public static void main(String[] args) {
A a = new A();
a.fun();
a.fun().fun();
a.fun().fun().fun();
}
}
Outputs:
A
A
AA
A
AA
AA
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