Java statements to add "1" to integer variable "x":

The four different Java statements that add "1" to integer variable "x" are follows;

• "x+=1;"
  • The operator "+=" is an addition compound assignment operator.
  • The operator "+=" sums the value "1" on the right of the expression and the value of the variable "x" on the left of the expression and stores the answer into the variable "x" on the left of the expression.
  • The statement "x+=1;" is the abbreviation of the expression "x=x+1;".
• "x=x+1;"
  • The unary operator "+" add the operands on its right and left.
  • The operand may be the offset value or the variable.
  • In the statement "x=x+1;", the value "1" is added to the variable "x" on the left of the operator "+" and the result is stored into "x" on the left of the assignment operator "=".
• "++x;"
  • The operator "++" is the unary increment operator.
  • The increment operator can be either postfixed or prefixed to the variable.
  • If the increment operator is prefixed to the variable, then it is called prefix increment operator...