Example usage for java.util Collections shuffle

Introduction

In this page you can find the example usage for java.util Collections shuffle.

Prototype

public static void shuffle(List<?> list)

Source Link

Document

Randomly permutes the specified list using a default source of randomness.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {

    String[] array = new String[] { "a", "b", "c" };

    Collections.shuffle(Arrays.asList(array));
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    List list = new ArrayList();

    Collections.shuffle(list);
}

From source file:MainClass.java

public static void main(String[] args) {
    List<String> argList = Arrays.asList(args);
    Collections.shuffle(argList);
    for (String arg : argList) {
        System.out.format("%s ", arg);
    }//from w  ww .  jav a 2 s . c  om
    System.out.println();
}

From source file:Main.java

public static void main(String[] args) {
    String[] peoples = { "A", "B", "C", "D", "E", "F" };
    List<String> names = Arrays.asList(peoples);
    Collections.shuffle(names);
    for (String name : names) {
        System.out.print(name + " ");
    }/*  w w  w. j  a  v  a 2 s  . com*/
}

From source file:Shuffle.java

public static void main(String args[]) {
    String[] strArray = new String[] { "Java", "Source", "And", "and", "Support", "java2s" };

    List l = Arrays.asList(strArray);
    Collections.shuffle(l);
    System.out.println(l);//from w w  w .  java2s.c o m
}

From source file:Main.java

public static void main(String[] args) {
    String[] alphabets = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" };

    List<String> list = Arrays.asList(alphabets);

    Collections.shuffle(list);

    for (String alpha : list) {
        System.out.print(alpha + " ");
    }/*from  ww  w .j  av  a2  s  .  co  m*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    List<Integer> list = new ArrayList<Integer>();

    for (int i = 1; i <= 12; i++)
        list.add(new Integer(i));

    Collections.shuffle(list);
    System.out.println(list);/* w w  w. j a va2s  .com*/
}

From source file:Main.java

public static void main(String args[]) {
    List<Character> ll = new LinkedList<Character>();

    for (char n = 'A'; n <= 'Z'; n++)
        ll.add(n);//www  .  j  a  v  a2 s.  c om

    Collections.shuffle(ll);

    for (Character x : ll)
        System.out.print(x + " ");
    Collections.sort(ll);

    for (Character x : ll)
        System.out.print(x + " ");

    System.out.println("Searching for F.");
    int i = Collections.binarySearch(ll, 'F');

    if (i >= 0) {
        System.out.println("Found at index " + i);
        System.out.println("Object is " + ll.get(i));
    }
}

From source file:Main.java

public static void main(String args[]) {
    List<Integer> dataList = new ArrayList<Integer>();
    for (int i = 0; i < 10; i++) {
        dataList.add(i);//from www .  j a  v  a  2  s.c  o  m
    }
    Collections.shuffle(dataList);
    int[] num = new int[dataList.size()];
    for (int i = 0; i < dataList.size(); i++) {
        num[i] = dataList.get(i);
    }
    System.out.println(Arrays.toString(num));
}

From source file:Main.java

public static void main(String[] args) {
    List<String> list = new ArrayList<>();
    list.add("Java");
    list.add("R");
    list.add("CSS");
    list.add("XML");

    Collections.sort(list);/*from  w  w w.ja v  a 2  s .c  o m*/
    System.out.println("List: " + list);

    Collections.shuffle(list);
    System.out.println("List: " + list);

    Collections.shuffle(list);
    System.out.println("List: " + list);
}