Hi I have series of doubts which i will post now please help
1) Can any one explain me this code from K&B pg NO 208
class Foo {
Bar myBar = new Bar();
void changeIt(Bar myBar) {
myBar.barNum = 99;
System.out.println("myBar.barNum in changeIt is " + myBar.barNum);
myBar = new Bar();
myBar.barNum = 420;
System.out.println("myBar.barNum in changeIt is now " + myBar.barNum);
}
public static void main (
String [] args) {
Foo f = new Foo();
System.out.println("f.myBar.barNum is " + f.myBar.barNum);
f.changeIt(f.myBar);
System.out.println("f.myBar.barNum after changeIt is "
+ f.myBar.barNum);
}
}
The preceding code prints out this:
f.myBar.barNum is 28
myBar.barNum in changeIt is 99
myBar.barNum in changeIt is now 420
f.myBar.barNum after changeIt is 99
please explain the flow of control i am unable to understand
Thanks in advance