[(https://cscircles.cemc.uwaterloo.ca/java_visualize/#code=public+class+TwoDArr%7B%0A+++public+static+void+main(String%5B%5D+args)+%7B%0A++++++int%5B%5D%5B%5D+points+%3D+%7B+%7B11,+12,+13,+14,+15%7D,%0A++++++++++++++++++++%7B21,+22,+23,+24,+25%7D,%0A++++++++++++++++++++%7B31,+32,+33,+34,+35%7D,%0A++++++++++++++++++++%7B41,+42,+43,+44,+45%7D%7D%3B%0A+for+(int+row+%3D+0%3B+row+%3C+points.length%3B+row%2B%2B)%0A+%7B%0A+++++for+(int+col+%3D+points%5B0%5D.length+-+1%3B+col+%3E%3D+row%3B+col--)%0A+++++%7B%0A++++++++++System.out.print(points%5Brow%5D%5Bcol%5D+%2B+%22+%22)%3B%0A+++++%7D%0A+++++System.out.println()%3B%0A%7D%0A+++%7D%0A%7D&mode=display&curInstr=0)]

)%3B%0A%0A++++++++//+remove+item+0+and+move+everything+down%0A++++++++//++(this+can+be+done+in+one+method+call+with+ArrayList)%0A++++++++/toDoList%5B0%5D+%3D+toDoList%5B1%5D%3B%0A++++++++toDoList%5B1%5D+%3D+toDoList%5B2%5D%3B%0A++++++++toDoList%5B2%5D+%3D+%22%22%3B%0A/%0A+++++++toDoList.remove(0)%3B%0A%0A++++++++System.out.println(%22Here's+the+next+thing+to+do%3A+%22+%2B+toDoList.get(0))%3B%0A%0A++++++++//+Why+is+an+ArrayList+better+than+an+array+for+a+toDoList%3F%0A++++++++//+Answer%3A%0A++++%7D%0A%7D%0A%0A&mode=edit)

The value at the index position is removed/deleted and not the number itself.

Think of packages we create in Eclipse

Integer division