( 8 pts) Read the code part below and answer the questions. Arrowlist x= new ArravList >0 xadd(100); xadds 200); xadd( 300); xadd(400); xadd(500); 5.1. Is it ok to call statement x get(xasize () - 1) ? If yes, what is the return value of it? If no, explain. 5.2. If one does the following two statements, then what is the value of variable A ? x.remove (1); int A= (0) 5.3. After step 5.2, is it ok to do statement int B=xget (1)? If yes, what is the value of B? If no, explain. 5.4. After step 5.3, if one does x add (600), then what integers are stored in "ArrauList x "? Please list all of them in order