Example usage for java.lang Math random

Introduction

In this page you can find the example usage for java.lang Math random.

Prototype

public static double random()

Source Link

Document

Returns a double value with a positive sign, greater than or equal to 0.0 and less than 1.0 .

Usage

From source file:Main.java

/**
 * get nonce//  ww  w.j a  v  a2 s  .co  m
 * @return
 */
public static String getNonce() {
    int random = (int) (Math.random() * 9000) + 1000;
    return String.valueOf(random);
}

From source file:Main.java

public static int randomColor() {
    return Color.argb(127, ((Long) Math.round(Math.random() * 255)).intValue(),
            ((Long) Math.round(Math.random() * 255)).intValue(),
            ((Long) Math.round(Math.random() * 255)).intValue());
}

From source file:Main.java

public static String randNum(long dig, long len) {
    String number;/*from  w  w w  .  j av  a 2 s .  co m*/
    int num = (int) Math.abs((Math.round(Math.random() * dig) + len));
    number = Integer.toString(num);
    return number;
}

From source file:Main.java

public static int getPosition(int height) {
    int tempPosition = (int) (Math.random() * height);
    if (tempPosition < 1) {
        tempPosition += 1;/*from   w  w w  . j a  v a2  s  .c o  m*/
    }
    return tempPosition;
}

From source file:Main.java

/** A random int from 1 to range (inclusive). */

public static int randomInt(int range) {
    return (1 + ((int) (Math.random() * range)));
}

From source file:Main.java

private static String generateNonce() {
    int max = 9999999;
    int min = 123400;

    double rand = Math.random();

    //Return a string representation of a random value between the max and min
    return "" + (int) (min + (rand * ((max - min) + 1)));
}

From source file:Main.java

public static int getTextPosition(int height) {
    int tempPosition = (int) (Math.random() * height);
    if (tempPosition < 0.5 * height) {
        tempPosition += 0.5 * height;/*w w w .  j a v a 2s  . c  o m*/
    }
    return tempPosition;
}

From source file:Main.java

public static String randString() {
    String ret = "";
    for (int i = 0; i < 6; i++) {
        int a = (int) (Math.random() * 10);
        ret += a;/*from w  w  w  . j  a v  a  2 s .c  o  m*/
    }
    return ret;
}

From source file:Main.java

public static int[] getPoint(int height, int width) {
    int[] tempCheckNum = { 0, 0, 0, 0, 0 };
    tempCheckNum[0] = (int) (Math.random() * width);
    tempCheckNum[1] = (int) (Math.random() * height);
    return tempCheckNum;
}

From source file:Main.java

public static String getTransactionId() {
    String id = "";
    for (int i = 0; i < 10; i++) {
        id = id + (int) (Math.random() * 9 + 1);
    }//from  w ww  .  ja va 2s.c  om
    return id;
}