10 2015 档案

some fragment of thinking in java part5
摘要：1. Delegation a relationship that is not directly supported by Java. This is a midway between inheritance and composition, because you place a number 阅读全文

posted @ 2015-10-26 17:12 terminator-LLH 阅读(191) 评论(0) 推荐(0)

some fragment of thinking in java part4
摘要：1. Every non-primitive methods has a toString() method"source = " +source; //an object of WaterSourcethe compiler sees you tring to add a String objec... 阅读全文

posted @ 2015-10-26 08:56 terminator-LLH 阅读(178) 评论(0) 推荐(0)

some fragment of thinking in java part3
摘要：1.Package: the library unita package contains a group of classes. organized togeother under a single namespace. if you're planning to create libraries... 阅读全文

posted @ 2015-10-22 21:22 terminator-LLH 阅读(331) 评论(0) 推荐(0)

some fragment of thinking in java part2
摘要：1. What is finalize() forthe need for finalize() is limited to special case in which your object can allocate storage in some way other than creating ... 阅读全文

posted @ 2015-10-21 20:58 terminator-LLH 阅读(279) 评论(0) 推荐(0)

some fragment of thinking in java part1
摘要：1.String s;System.out.println("s=");you will get a compile time error because s isn't actually attached to anything, A safer practice, then is always ... 阅读全文

posted @ 2015-10-18 10:58 terminator-LLH 阅读(178) 评论(0) 推荐(0)

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