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Java Programming and Information hiding principlePage 1Koichiro Ochimizu JAISTIntroduction to Java Programming1Introduction to ObjectOriented TechnologiesJava ProgrammingandInformation hiding principleKoichiro OchimizuJapan Advanced Institute ofScience and TechnologiesSchool of Information ScienceSchedule(2/3) Feb. 27th 13:00 Introduction to Java Programming 14:30 Outline of UML: Static Modeling(usecase modeling details of classdefinition) Feb. 28th 13:00 Outline of UML: Dynamic Modeling(state machine) 14:30 Outline of UML: Dynamic Modeling(communication diagram sequence diagram)Page 2Koichiro Ochimizu JAISTIntroduction to Java Programming2Example ( Stack) Lastin Firstout pushdown popupOperations specific to stack void push( String str ) { stack stack_p++ ] = new String( str ); } String pop( ) { return new String( stack stack_p] ); } boolean empty( ) { return ( stack = = 0); } String val( ) { return new String( stack stack_p 1] ); }pushdownstack pointerpopupPage 3Koichiro Ochimizu JAISTIntroduction to Java Programming3Structure of Object oriented program An object oriented program consists of classespublic class balanced { // balanced.java }public class Stack { // Stack.java }Structure of a class definition A class consists of several local variables and methods public class Stack { int max = 10; //capacity of stackint stack_p = 0; //stack pointerString] stack; //implementation of stack by an arrayStack( ) { stack = new Stringmax];}//instanciation of object stack void push( String str ) {} String pop( ) {}boolean empty( ) {}boolean full( ) {}String val( ) {} }Page 4Koichiro Ochimizu JAISTIntroduction to Java Programming4Instantiation Instantiate an object based on class definitionStack stack1 = new Stack( );Set and refer the state of the object We can create multiple objects based on the same class definition if necessary. Stack stack1 stack2 = new Stack( ); The structure of stack1 is same to the structure of stack2. As computation proceed the st ...

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