Java Utililty Methods Integer Create

List of utility methods to do Integer Create

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Description

The list of methods to do Integer Create are organized into topic(s).

Method

inttoInt(String value, int def)
Convert String to int 
if (isEmpty(value)) {
    return def;
try {
    return Integer.valueOf(value);
} catch (NumberFormatException e) {
    e.printStackTrace();
    return def;
...
inttoInt(String value, int defaultValue)
convert the string to an integer, and return the default value if the string is null or does not contain a valid int value 
if (value != null) {
    try {
        return Integer.parseInt(value);
    } catch (NumberFormatException n) {
return defaultValue;
inttoInt(String value, int defaultValue)
to Int 
try {
    if (value == null || "".equals(value.trim()))
        return defaultValue;
    value = value.trim();
    if (value.startsWith("N") || value.startsWith("n"))
        return -Integer.parseInt(value.substring(1));
    return Integer.parseInt(value);
} catch (Exception e) {
...
inttoInt(String value, int defaultValue)
tries to parse the given String into an integer if this fails the default value is returned 
try {
    return Integer.parseInt(value);
} catch (NumberFormatException ex) {
    return defaultValue;
inttoInt(String value, int defaultValue)
Returns the given integer string as an int value. 
value = value.trim();
try {
    return Integer.parseInt(value);
} catch (NumberFormatException e) {
    if (value.matches("\\d{10,}"))
        return Integer.MAX_VALUE;
    else if (value.matches("-\\d{10,}"))
        return Integer.MIN_VALUE;
...
IntegertoInt(String value, Integer defaultValue)
to Int 
if (isEmpty(value))
    return defaultValue;
try {
    return Integer.parseInt(value);
} catch (Exception e) {
    return defaultValue;
IntegertoInt(String value, Integer defaultValue)
to Int 
if (value == null || "".equals(value.trim()))
    return defaultValue;
if (value.startsWith("N") || value.startsWith("n"))
    return -Integer.parseInt(value.substring(1));
return Integer.parseInt(value);
IntegertoInt(String value, Integer fallback)
to Int 
if (value == null || value.isEmpty()) {
    return fallback;
try {
    return Integer.valueOf(value);
} catch (Exception e) {
    return fallback;
int[]toInt(String[] a, int off, int len)
to Int 
int[] res = new int[len];
for (int i = 0; i < len; i++)
    res[i] = Integer.valueOf(a[off + i]);
return res;
int[]toInt(String[] s)
to Int 
int[] result = new int[s.length];
int i = 0;
for (String string : s) {
    result[i++] = Integer.parseInt(string);
return result;