Java Utililty Methods String to Int

int asInt(String number)
as Int

if (number.charAt(0) == '+') 
 number = number.substring(1);
return Integer.parseInt(number);

int asInt(String str)
as Int

try {
 return Integer.valueOf(str);
} catch (NumberFormatException nfex) {
 return Integer.MIN_VALUE;

int asInt(String str)
as Int

if (str != null && str.length() > 0)
 try {
 return Integer.parseInt(str.trim());
 } catch (Exception e) {
return 0;

int asInt(String str, int defaultValue)
as Int

try {
 return Integer.parseInt(str);
} catch (Exception e) {
 return defaultValue;

int asInt(String sval, int dflt)
Convert string to integer.

return (null == sval) ? dflt : Integer.parseInt(sval);

Integer asInt(String value)
Returns the integer corresponding to the given string value .

return asInt(value, null);

Integer asInteger(String param)
as Integer

if (param == null) {
 return null;
if (param instanceof String) {
 return Integer.valueOf(param);
} else {
 throw new IllegalArgumentException("Invalid agrument type. Convertion can be made only from String.");

Integer asInteger(String string)
Converts string to integer

return (string == null) ? null : Integer.valueOf(string);

Integer asInteger(String v)
as Integer

try {
 return (v != null) ? Integer.valueOf(v) : null;
} catch (NumberFormatException ex) {
 return null;

int asInteger(String value)
Converts a String value into a int.

return Integer.parseInt(value);