I’ve attended a coderetreat not so long ago in Rotterdam. I have talked about coderetreats before; how they help improve your skills. The most important reason to join coderetreats however is to just have fun. I had a good time! Why don’t you join a coderetreat event nearby and have a good time as well? […]
A lot of things can be found in the snippet at “What is wrong with this code #02″. Here it is again: [sourcecode language=”java”] public MyObject { private String myField; … (imagine multiple fields) … public GenericObject toGenericObject() { GenericObjectFactory genericObjectFactory = GenericObjectFactory.getInstance(); GenericObject genericObject = genericObjectFactory.create("myObject"); genericObject.setField("myField", myField); // imagine multiple lines using genericObject.setField("field", […]
Given that the functionality of the method toGenericObject must be preserved; there is something obviously wrong in this code, can you find it? If so, can you think of an easy solution? [sourcecode language=”java”] public MyObject { private String myField; … (imagine multiple fields) … public GenericObject toGenericObject() { GenericObjectFactory genericObjectFactory = GenericObjectFactory.getInstance(); GenericObject genericObject […]
I asked what was ‘wrong’ in the following code. I had put ‘wrong’ in quotes, because it is an ambigious term. Here is the code: [sourcecode language=”java”] if (null == sessionProxy.getShoppingCart()) { throw new IllegalStateException("ShoppingCart may not be null"); } [/sourcecode] One thing that we find here, is the use of a session proxy object. […]
I came accross a piece of code like this: [sourcecode language=”java”] if (null == sessionProxy.getShoppingCart()) { throw new IllegalStateException("ShoppingCart may not be null"); } [/sourcecode] Can you find what’s ‘wrong’ with this? Note I have put wrong in quotes.