import java.util.Random;

public class ExampleRandomClassDemo
{  

     
public static void main(String args[ ]) 
        {
    			boolean b;      	
				int i;
				int iRange;
				int n = 21;
				long l;
				float f;
				double d;
				int index;
				
				Random mystery = new Random( );
				
				System.out.println ("5 random booleans: ");
			 	for(index=0;index<5;index++)
				{	b= mystery.nextBoolean();
				
					System.out.print (b +"   ");
				}

							 
			 	System.out.println ("\n5 random integers: ");
			 	for(index=0;index<5;index++)
				{	i= mystery.nextInt();
				
					System.out.print (i +"   ");
				}
			
				System.out.println ("\n5 random integers within a range 0-20 (n=21): ");
			 	for(index=0;index<5;index++)
				{	iRange= mystery.nextInt(n);
				
					System.out.print (iRange +"   ");
				}
            
            System.out.println ("\n5 random integers within a range 0-9, excludes 10, as random generatesgreater than or equal to 0.0 and less than 1.0: ");
			 	for(index=0;index<5;index++)
				{	iRange= (int)(Math.random() * 10);
				
					System.out.print (iRange +"   ");
				}

				
				System.out.println ("\n5 random longs: ");
			 	for(index=0;index<5;index++)
				{	l= mystery.nextLong();
				
					System.out.print (l +"   ");
				}
				
				System.out.println ("\n5 random floats: ");
			 	for(index=0;index<5;index++)
				{ f= mystery.nextFloat();
				
					System.out.print (f +"   ");
				}
				
				System.out.println ("\n5 random doubles: ");
			 	for(index=0;index<5;index++)
				{ d = mystery.nextDouble();
				
					System.out.print (d +"   ");
				}




				  
        
				  
				  
         } //closing main method
} //closing class header