20. Integer.parseInt

• A String consisting of only integers or decimal numbers is called a numeric string

• To convert a string consisting of an integer to a value of the type int, we use the following expression:

  
      Integer.parseInt(strExpression)
  
  

• For example,

  
      Integer.parseInt("6723") = 6723
      Integer.parseInt("-823") = -823
  
  

• parseInt is a method of the class Integer, which converts a numeric integer string into a value of the type int