Convert a string to a number

    

public class Main {
  public static void main(String[] argv) throws Exception {
    byte b = Byte.parseByte("123");

    short s = Short.parseShort("123");

    int i = Integer.parseInt("123");

    long l = Long.parseLong("123");

    float f = Float.parseFloat("123.4");

    double d = Double.parseDouble("123.4e10");

  }
}

Related examples in the same category

1.	Convert a byte array to base64 string
2.	Convert base64 string to a byte array
3.	Convert array to collection
4.	Converting a String to Upper or Lower Case
5.	Converting a Primitive Type Value to a String
6.	Convert other primitive data type into string
7.	Get the hexadecimal value of an int
8.	Reverse a string, words or sentences
9.	Java String valueOf
10.	String toLowerCase example
11.	Get InputStream from a String
12.	Convert String to java int Example
13.	To change the case of string to upper case: public String toUpperCase() method of String class.
14.	normalize(String s, java.text.Normalizer.Form.NFD);
15.	Convert String to Character Array
16.	Strip certain characters from a String
17.	Decode a Base64 encoded binary
18.	Encode binary data as Base64 string
19.	Convert a byte array to a String with a hexidecimal format.
20.	Convert a byte array to a human-readable String for debugging purposes.
21.	Convert a hexidecimal string generated by toHexString() back into a byte array.
22.	Convert a string into a byte array in hex format.
23.	Convert string to uppercase
24.	Converts a String to a Locale
25.	Converts the string to the unicode format
26.	Rewrote the toLowercase method to improve performances.
27.	Convert a list to a delimited string.
28.	String to word

Convert a string to a number : String Convert « Data Type « Java

Related examples in the same category