JML

org.jmlspecs.samples.jmltutorial
Class Person

java.lang.Object
  extended byorg.jmlspecs.samples.jmltutorial.Person

public class Person
extends Object


Class Specifications
public invariant !this.name.equals("")&&this.weight >= 0;

Specifications inherited from class Object
represents objectState <- org.jmlspecs.lang.JMLDataGroup.IT;
public represents _getClass <- \typeof(this);

Model Field Summary
 
Model fields inherited from class java.lang.Object
_getClass, objectState, theString
 
Ghost Field Summary
 
Ghost fields inherited from class java.lang.Object
objectTimesFinalized, owner
 
Field Summary
[spec_public] private  String name
           
[spec_public] private  int weight
           
 
Constructor Summary
Person(String n)
           
 
Model Method Summary
 
Model methods inherited from class java.lang.Object
hashValue
 
Method Summary
 void addKgs(int kgs)
           
 int getWeight()
           
 String toString()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

name

private String name
Specifications: spec_public non_null

weight

private int weight
Specifications: spec_public
Constructor Detail

Person

public Person(String n)
Specifications:
     also
requires n != null&&!n.equals("");
ensures n.equals(this.name)&&this.weight == 0;
Method Detail

toString

public String toString()
Overrides:
toString in class Object
Specifications:
     also
ensures \result != null&&(* \result is a displayable form of this person *);
     also
ensures \result != null;
Specifications inherited from overridden method in class Object:
       non_null
public normal_behavior
assignable objectState;
ensures \result != null&&\result .equals(this.theString);
ensures (* \result is a string representation of this object *);
     also
public code normal_behavior
assignable \nothing;
ensures \result != null&&(* \result is the instance's class name, followed by an @, followed by the instance's hashcode in hex *);
     also
public code model_program { ... }
    implies_that
assignable objectState;
ensures \result != null;

getWeight

public int getWeight()
Specifications: pure
     also
ensures \result == this.weight;

addKgs

public void addKgs(int kgs)
Specifications:
     also
requires kgs >= 0;
requires this.weight+kgs >= 0;
ensures this.weight == \old(this.weight+kgs);

JML

JML is Copyright (C) 1998-2002 by Iowa State University and is distributed under the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This release depends on code from the MultiJava project and is based in part on the Kopi project Copyright (C) 1990-99 DMS Decision Management Systems Ges.m.b.H.