The new debugger interface (click to enlarge) (1) These are the new debugger interface icons. The first one "steps over" the current line, the second "steps into" a function. The arrow continous the execution of you application. The last icon opens the "Debug Interface" window where you can watch your variables (see. no 4). (2) The green marked line number is the currently executed line. The red one is a breakpoint where you applications stops the execution. After you program halts you can step through your code using the "step over/into" function (see no 1). (3) This is your running application (4) This is the "Debug Interface" window. Here you can watch and browser your local variables and class fields.