public class RandomUtil
extends java.lang.Object
| Modifier and Type | Field and Description |
|---|---|
protected static java.util.Random |
random |
| Constructor and Description |
|---|
RandomUtil() |
| Modifier and Type | Method and Description |
|---|---|
static int |
nextInt(int n) |
static int[] |
nextInts(int n,
int size) |
static void |
shuffle(java.util.Random random,
int[] numbers) |
static java.lang.String |
shuffle(java.util.Random random,
java.lang.String s) |
static void |
shuffle(java.util.Random random,
java.lang.StringBuilder sb) |
static java.lang.String |
shuffle(java.lang.String s) |
public static int nextInt(int n)
public static int[] nextInts(int n,
int size)
public static void shuffle(java.util.Random random,
int[] numbers)
public static java.lang.String shuffle(java.util.Random random,
java.lang.String s)
public static void shuffle(java.util.Random random,
java.lang.StringBuilder sb)
public static java.lang.String shuffle(java.lang.String s)