4. Object Structures, Aliasing, and Encapsulation
4. Object Structures, Aliasing, and Encapsulation
4. Object Structures, Aliasing, and Encapsulation
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Example:(Alias modes as annotations)In programs, alias modes can be expressed bycomments/annotations tagging types:class LinkedList {private /* rep */ Entry header;private int size;}public void add( /* arg */ <strong>Object</strong> o ) {/* rep */ Entry newE =new /* rep */ Entry( o, header, header.previous );… }class Entry {private /* arg */ <strong>Object</strong> element;private Entry previous, next;public Entry( /* arg */ <strong>Object</strong> o, Entry p, Entry n ) { … }}13.05.13© A. Poetzsch-Heffter, TU Kaiserslautern26
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