Java Utililty Methods Array

List of utility methods to do Array

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Description

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

Method

StringarrayTransfer(int[] ids)
array Transfer 
System.out.println("DataUtils.arrayTransfer()");
if (ids != null && ids.length != 0) {
    StringBuffer str = new StringBuffer("");
    for (int i = 0; i < ids.length; i++) {
        str.append(ids[i] + ",");
    return str.toString().substring(0, str.toString().length() - 1);
return "";
StringarrayType(String type)
array Type 
if (isArray(type))
    if (type.length() == arrayDimSize(type) + 1) {
        return type;
    } else {
        String ans = "Ljava/lang/Object;";
        for (int j = 0; j < arrayDimSize(type); j++) {
            ans = "[" + ans;
        return ans;
return null;
StringarrayTypeToZeroLengthArray(String arrayType)
array Type To Zero Length Array 
int o = arrayType.indexOf("[]");
if (o < 0) {
    throw new IllegalStateException("Not a array type");
StringBuffer sb = new StringBuffer();
sb.append(arrayType.substring(0, o)).append("[0]");
return sb.toString();
StringarrayUnEscape(String string)
array Un Escape 
string = string.replaceAll("%2", ",");
string = string.replaceAll("%1", "%");
return string;
booleanarrayValid(Object[] objects)
array Valid 
if (objects != null && objects.length > 0) {
    return true;
} else {
    return false;
intarrayValidLength(int[] array)
Returns length of the array discounting the trailing elements with zero value. 
int len = array.length;
while (len > 0 && array[len - 1] == 0) {
    --len;
return len <= 0 ? 0 : len;
String[]arrayWithoutFirstElement(final String[] array)
Get an array without the first element of the input array. 
return arrayWithoutFirstsElement(array, 1);