Conversion between a string and an integer

1. How to convert string strings to integer int
int i = Integer.parseint (str);
int i = integer.valueof (my_str). Intvalue ();
Note: The string is converted to double, Float, and long in a similar way.
2. How to convert string strings to integers
Integer integer=integer.valueof (i)
3. How to convert integer int into string string?
Answer: There are three ways:
String s = string.valueof (i);
String s = integer.tostring (i);
String s = "" + I;
Note: Double, Float, Long turn into a string in a similar way.
4. How to convert integer int to integer
Integer integer=new integer (i)
5. How to convert an integer to string
Integer integer=string ()
6. How to convert an integer to int
int Num=integer.intvalue ()
7. How to convert a string to BigDecimal
BigDecimal d_id=new BigDecimal (str)

Conversion between a string and an integer