随笔档案「2005年3月」 - Johnny

[Java] 关于java.lang.Runtime.exec()方法运行命令所在目录的探讨。

摘要：测试代码： importjava.util.*; importjava.io.*; publicclassBadExecJavac { publicstaticvoidmain(Stringargs[]) { try { Runtimert=Ru... 阅读全文

posted @ 2005-03-25 11:25 Johnny 阅读(3550) 评论(1) 推荐(0)

Question with java.lang.Object.hashCode()

摘要：Question: 1.In the Java API Doc, i saw the statement below: This integer need not remain consistent from one execution of an application to another execution of the same application. Does it mean t... 阅读全文

posted @ 2005-03-22 10:01 Johnny 阅读(500) 评论(0) 推荐(0)

How can i differentiate "variable","argument","parameter"&"attribute"?

摘要：Question: How can i differentiate "variable","argument","parameter"&"attribute"? Answers: this is just my understanding/usage of these terms. so no gurantee: all the term are variables because they ... 阅读全文

posted @ 2005-03-09 10:05 Johnny 阅读(516) 评论(0) 推荐(0)