C graphics questions

• Why for creation of delay the static refrence to Thread.sleep is preferred not this.sleep?
• appending an array of int to an ArrayList of <Integer>
• yet another an exception has been encountered. This may be caused by an extension
• Using all (jComboBox, JTextField, jFileChooser) as table editor overrides the refrences
• Any working php debugger, PDT? [closed]
• strlen function return type - c programing
• Node.js UDP client to handle a response from a udp server
• Switch on Enum when strings contain dash
• Java: efficient way of memory allocation for an array of objects
• Shortest way to cast a 2d int array into 2d double

C graphics answers