| Java constructor | | a method in a superclass with the same name | its caller from only one place which should be the last statement | public Account(String accountHolder, float initialBalance)
{
this.accountHolder = accountHolder;
balance = initialBalance;
opened = new Date();
}
public Account(String accountHolder)
{
this.accountHolder = accountHolder;
balance =0.0;
opened = new Date();
} | if related aspects of a system are kept together in this module, and unrelated aspects are kept out | a class | to initialize the instance variables of a newly created object and perform any other needed initialization | the details of procedures | public except for those that will definitely need to be called from outside the package | the same name as its class | other methods and variables in any class in the same package by default | The Basics of Java | side effects if it does not modify any data, and does not leave behind any information, other than its result, that would have an effect on other computations | Java method | procedural abstraction | a special-purpose function such as the user interface for a particular system | when using a certain procedure, a programmer does not need to worry about all the details of how it performs its computations; he or she only needs to know how to call it and what it computes |
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