Java Utililty Methods String to Int

List of utility methods to do String to Int

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Description

The list of methods to do String to Int are organized into topic(s).

Method

IntegerasInteger(String value)
Returns the given value String as Integer. 
return asInteger(value, null);
intconvertStringToInt(final String str)
Convert the specified string into an integer. 
int val = -1;
try {
    val = Integer.parseInt(str);
} catch (NumberFormatException nfe) {
    val = -1;
return val;
intconvertStringToInt(final String strNumber)
Convert a String to a primitive 'int' 
int numericNumber = 0;
try {
    numericNumber = Integer.parseInt(strNumber);
catch (NumberFormatException nfe) {
return numericNumber;
IntegerconvertStringToInt(String number)

Return the Integer value of the input string. 

if (number == null) {
    return null;
try {
    return Integer.parseInt(number);
} catch (NumberFormatException e) {
    return null;
intconvertStringToInt(String str)
convert String To Int 
int val = 0;
try {
    val = Integer.parseInt(str);
} catch (Exception e) {
    e.getMessage();
return val;
intconvertStringToInt(String value)
Converts the string value to int. 
if (value == null) {
    return -1;
return Integer.parseInt(value);
intconvertStringToInteger(String num)
convert String To Integer 
int val = 0;
if (num != null) {
    val = Integer.parseInt(num);
return val;
IntegerconvertStringToInteger(String s)
Converts a string to Integer. 
Integer _integer = null;
if (s != null) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < s.length(); i++) {
        if (Character.isDigit(s.charAt(i))) {
            sb.append(s.charAt(i));
    if (sb.length() > 0) {
        int id = Integer.parseInt(sb.toString());
        _integer = new Integer(id);
return _integer;
IntegerconvertStringToInteger(String s)
convert String To Integer 
return Integer.valueOf(s);
IntegerconvertStringToInteger(String string)
convert String To Integer 
if (string == null) {
    return null;
try {
    Integer integer = Integer.parseInt(string.trim());
    return integer;
} catch (NumberFormatException e) {
    return null;
...