How to generate and get a random number in Java?

GenerateRandomNumber.java

package rashid.jorvee;

import java.lang.Math;
import java.util.ArrayList;
import java.util.Collections;

public class GenerateRandomNumber {

	public static void main(String[] args) {
		ArrayList<Integer> list = new ArrayList<Integer>();
		for (int i=0; i<245; i++) {
			list.add(i);
		}
		Collections.shuffle(list);
		for (int i=0; i<245; i++) {
			System.out.println("Value::"+list.get(i));
		}
	}

}