what mean (x--)?

Answer 1

decrement -1 the value of x

Answer 2

x-- means decrement the value of x by 1

Answer 3

which means it will substract 1 value from x.
example: int x=5;
x++ = 5
final x value is 6.
++x = 7.
for decrement operator
x-- = 7
--x = 5
means (++/--)x pre increment/decrement first done the operation then assign to variable

Answer 4

x-- means post decrement operator

Answer 5

x-- means decrement of x by one

Answer 6

thanks