//InitArray.java
  // initializing an array
 public class InitArray {
  public static void main( String args[] )
  {	 String output = "";
  int n[];            // declare reference to an array
  n = new int[ 10];   // dynamically allocate array
  output += "Subscript\tValue\n";
  for ( int i = 0; i < n.length; i++ )
     output += i + "\t\t" + n[ i ] + "\n";
  System.out.print("Default Initialization of Array of int Values\n" + output);
  }
  }

-------------------------------------
  //InitArray.java
  // initializing an array with a declaration
		public class InitArray {
		public static void main( String args[] )
		{
		String output = "";
		// Initializer list specifies number of elements and 
		// value for each element.
		int n[] = { 32, 27, 64, 18, 95, 14, 90, 70, 60, 37 };
		output += "Subscript\tValue\n";
		for ( int i = 0; i < n.length; i++ ) 
		  output += i + "\t\t" + n[ i ] + "\n";
		System.out.print("Initializing an Array with a List of Values in Brackets\n" + output);  
		}
	}
  

  //InitArray.java
  // initialize array n to the even integers from 2 to 20
	public class InitArray {
	public static void main( String args[] )
	{
		final int ARRAY_SIZE = 10;
		int n[];					// reference to int array
		String output = "";
		n = new int[ARRAY_SIZE];	// allocate array
	// Set the values in the array
		for ( int i = 0; i < n.length; i++ ) 
		  n[ i ] = 2 + 2 * i;
		output += "Subscript\tValue\n";
		for ( int i = 0; i < n.length; i++ ) 
		  output += i + "\t\t" + n[ i ] + "\n";
		System.out.print("Initializing to Even Numbers from 2 to 20\n" + output);
		}
	}
  

  //SumArray.java
  // Compute the sum of the elements of the array
	public class SumArray {
		public static void main( String args[] )
		{
		int a[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
		int total = 0;
		for ( int i = 0; i < a.length; i++ ) 
			total += a[i];
		System.out.println("Sum the Elements of an Array\nTotal of array elements: " + total);
	}
}
  

  //StudentPoll.java
  // Student poll program
	public class StudentPoll {
		public static void main( String args[] )
		{
		int responses[] = { 1, 2, 6, 4, 8, 5, 9, 7, 8, 10, 1, 6, 3, 8, 6, 10, 3, 8, 2, 7, 
		6, 5, 7, 6, 8, 6, 7, 5, 6, 6, 5, 6, 7, 5, 6, 4, 8, 6, 8, 10 };
		int frequency[] = new int[ 11 ];
		String output = "";
		for ( int answer = 0; answer < responses.length; answer++)
			++frequency[responses[ answer ] ];
		output += "Rating\tFrequency\n";
		for ( int rating = 1; rating < frequency.length; rating++ )
			output += rating + "\t" + frequency[ rating ] + "\n";
		System.out.println("Student Poll Program\n" + output);
		}
}
  

  //Histogram.java
  // Histogram printing program
public class Histogram {
	public static void main( String args[] )
	{
	int n[] = { 19, 3, 15, 7, 11, 9, 13, 5, 17, 1 };
	String output = "";   
	output += "Element\tValue\tHistogram";
	for ( int i = 0; i < n.length; i++ ) {
		output += "\n" + i + "\t" + n[ i ] + "\t";
	for ( int j = 1; j <= n[ i ]; j++ ) // print a bar
		output += "*";}
	System.out.println("Histogram Printing Program\n" + output);
	}
}
  

  //RollDie.java
  // Roll a six-sided die 6000 times
public class RollDie {
	public static void main( String args[] )
	{
	int face,frequency[] = new int[ 7 ];
	String output = "";
	for ( int roll = 1; roll <= 6000; roll++ ) {
		face = 1 + (int) ( Math.random() * 6 );
		++frequency[face ];
		}
	output += "Face\tFrequency";
	for ( face = 1; face < frequency.length; face++ )
		output += "\n" + face + "\t" + frequency[ face ];
		System.out.println("Rolling a Die 6000 Times\n" + output);
	}
	}