Lecture 3
11
Bank.java
line 107
somewhere
in Terminal.java
Message invoking a method
String command = atm.readWord(“transaction:
”);
readWord (String prompt )
{
print prompt on screen
theWord = word user types
return theWord
}
prompt =
“transaction: ”
command =
theWord
execution
flow: line 107 in Bank.java sends a readWord message
to a Terminal. Code for readWord method somewhere
in Terminal.java runs, then work resumes at line 108 in
Bank.java