I just had an interview where I was asked to create a memory leak with Java. Needless to say, I felt pretty dumb, having no idea how to start creating one. What would an example be?
![How can I create a memory leak in Java?](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)
There are three distinct but linked concepts to understand here: screen density (pixels per inch/centimeter, or commonly known as DPI from dots per inch in printers), physical screen size (in inches or centimeters) and number of pixels (also known as resolution, in pixels). These terms are not interchangeable, and you need to understand how they interlink to not be confused with the issue. General
Normally I am getting Wi-Fi setting screen on the emulator by clicking on the Settings > Wireless controls > wifi settings. I need to go directly to the Wi-Fi settings screen from my program when pressing on the Wi-Fi button which I have created. Contacts, Call Logs we can handle by using Intent.setData(android.provider.contacts...........). Is there any way to open settings sub-menus/menu from an
You can find an overview of a lot of design patterns in Wikipedia. It also mentions which patterns are mentioned by GoF. I'll sum them up here and try to assign as many pattern implementations as possible, found in both the Java SE and Java EE APIs. Creational patterns Abstract factory (recognizeable by creational methods returning the factory itself which in turn can be used to create another abs
Note that memory usage on modern operating systems like Linux is an extremely complicated and difficult to understand area. In fact the chances of you actually correctly interpreting whatever numbers you get is extremely low. (Pretty much every time I look at memory usage numbers with other engineers, there is always a long discussion about what they actually mean that only results in a vague conc
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