22. Double.parseDouble

• To convert a String consisting of a decimal number to a value of the type double, we use the following expression:

  
      Double.parseDouble(strExpression)
  
  

• For example,

  
      Double.parseDouble("345.78") = 345.78
      Double.parseDouble("-782.873") = -782.873
  
  

• parseDouble is a method of the class Double, which is used to convert a numeric decimal string into an equivalent value of the type double