what i know that a "Bean" is a Java class with properties and getters/setters. please i want some clarification in this regards. thanks.
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Oraask Latest Questions
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What is reflection, and why is it useful? I'm particularly interested in Java, but I assume the principles are the same in any language
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If I have an object implementing the Map interface in Java and I wish to iterate over every pair contained within it, what is the most efficient way of going through the map? Will the ordering of elements depend on the ...
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If you have java.io.InputStream object, how should you process that object and produce a String? Suppose I have an InputStream that contains text data, and I want to convert this to a String. For example, so I can write the ...
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I want to address the necessity to test every object if you want to access a field or method of this object. For example: [code] if (someobject != null) { someobject.doCalc(); } [/code] In this case I will avoid a NullPointerException, and I don't know exactly if ...
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JoneExplorer
When trying to run WEB (PIA) Server, I'm getting the following error: A fatal error has been detected by the Java Runtime Environment: EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x7ef8664b, pid=352, tid=1924 JRE version: 7.0_02-b13 Java VM: Java HotSpot(TM) Client VM (22.0-b10 mixed mode windows-x86 ) Problematic frame: C ...
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Hi consider I have string variable that initialize by random string value like: String str1 = "oraask"; I want to replace any character "a" with "Java" but without using any String function in Java, any suggestion will be appreciated.
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can I call a constructor from another in java if both in the same class ?
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I have an array int a[]=new int[5]; a[0]=10;//initialization a[1]=20; a[2]=50; a[3]=40; a[4]=50; I would like to convert this array into an object of the ArrayList class
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hi all, i have a string getting from variable in my controller like this : String Vstr = pageContext.getParameter("Myfield"); now i want to use this variable in sql statement but if i pass this variable like +Vstr in my sql ...