Java Utililty Methods Random Int

List of utility methods to do Random Int

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Description

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

Method

StringrandomWord(int wordLength)
random Word 
StringBuffer word = new StringBuffer();
for (int i = 0; i < wordLength; i++) {
    int index = Math.abs((int) (Math.random() * WORD.length()));
    char ch = WORD.charAt(index);
    word.append(ch);
return word.toString();
StringrandomZeroString(int length)
random Zero String 
StringBuffer sb = new StringBuffer();
for (int i = 0; i < length; i++) {
    sb.append("0");
return sb.toString();
intrandowPartition(int[] array, int q, int p)
randow Partition 
int pivotIndex = q + (int) Math.round((p - q - 1) * Math.random());
int pivot = array[pivotIndex];
int[] leftArray = new int[p - q + 1];
int[] rightArray = new int[p - q + 1];
int ll = 0, rl = 0;
for (int i = q; i < p; i++) {
    if (array[i] <= pivot && i != pivotIndex) {
        leftArray[ll] = array[i];
...
int[]randProductNumerid(final int c, final int count)
rand Product Numerid 
int ret[] = new int[c];
int i = 0;
while (true) {
    if (i == c) {
        break;
    int a = (int) Math.ceil(Math.random() * count);
    if (!isExist(a, ret)) {
...
intRandSelect(int iTotal)
Rand Select 
double a;
a = Math.random();
a = a * iTotal;
return ((int) a);