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Container Examples

Container 1 - No description available.

Container 2 - No description available.

Container 3 - No description available.

Container 4 - No description available.

Container 5 - No description available.

Container 6 - No description available.

Container 7 - No description available.

Container 8 - No description available.

Container 9 - No description available.

Container 10 - No description available.

Container1 Example Code

// Copyright(c) 1996,1997 ObjectSpace, Inc.
import COM.objectspace.jgl.*;

public class Container1
  {
  public static void main( String[] args )
    {
    Array array = new Array();
    array.add( "triangle" );
    array.add( "square" );
    array.add( "pentagon" );
    array.add( "hexagon" );
    System.out.println( "array = " + array );
    System.out.println( "array.size() = " + array.size() );
    System.out.println( "array.empty() = " + array.isEmpty() );
    array.clear();
    System.out.println( "after array is cleared..." );
    System.out.println( "array.size() = " + array.size() );
    System.out.println( "array.empty() = " + array.isEmpty() );
    }
  }

Container1 Example Output

array = Array( triangle, square, pentagon, hexagon )
array.size() = 4
array.empty() = false
after array is cleared...
array.size() = 0
array.empty() = true

Container2 Example Code

// Copyright(c) 1996,1997 ObjectSpace, Inc.
import COM.objectspace.jgl.*;
import java.util.Enumeration;

public class Container2
  {
  public static void main( String[] args )
    {
    Array array = new Array();
    array.add( "triangle" );
    array.add( "square" );
    array.add( "pentagon" );
    array.add( "hexagon" );

    Enumeration iterator = array.elements();
    while ( iterator.hasMoreElements() )
      System.out.println( iterator.nextElement() );
    }
  }

Container2 Example Output

triangle
square
pentagon
hexagon

Container3 Example Code

// Copyright(c) 1996,1997 ObjectSpace, Inc.
import COM.objectspace.jgl.*;

public class Container3
  {
  public static void main( String[] args )
    {
    Array array1 = new Array();
    array1.add( "triangle" );
    array1.add( "square" );
    array1.add( "pentagon" );
    System.out.println( "array1 = " + array1 );

    // Illustrate copy construction.
    Array array2 = new Array( array1 );
    System.out.println( "array2 = " + array2 );
    System.out.println( "array1.equals( array2 ) = " + array1.equals( array2 ) );

    // Illustrate assignment using copy().
    Array array3 = new Array();
    array3.add( "heptagon" );
    array3.add( "octagon" );
    System.out.println( "before copy, array3 = " + array3 );
    array3.copy( array1 );
    System.out.println( "after copy, array3 = " + array3 );

    // Illustrate cloning.
    Array array4 = (Array) array1.clone();
    System.out.println( "array4 = " + array4 );
    }
  }

Container3 Example Output

array1 = Array( triangle, square, pentagon )
array2 = Array( triangle, square, pentagon )
array1.equals( array2 ) = true
before copy, array3 = Array( heptagon, octagon )
after copy, array3 = Array( triangle, square, pentagon )
array4 = Array( triangle, square, pentagon )

Container4 Example Code

// Copyright(c) 1996,1997 ObjectSpace, Inc.
import COM.objectspace.jgl.*;

public class Container4
  {
  public static void main( String[] args )
    {
    Array array1 = new Array();
    array1.add( "ape" );
    array1.add( "bat" );
    array1.add( "cat" );

    Array array2 = new Array();
    array2.add( "red" );
    array2.add( "blue" );

    // Illustrate swapping.
    System.out.println( "array1 = " + array1 + ", array2 = " + array2 );
    array1.swap( array2 );
    System.out.println( "array1 = " + array1 + ", array2 = " + array2 );
    }
  }

Container4 Example Output

array1 = Array( ape, bat, cat ), array2 = Array( red, blue )
array1 = Array( red, blue ), array2 = Array( ape, bat, cat )

Container5 Example Code

// Copyright(c) 1996,1997 ObjectSpace, Inc.
import COM.objectspace.jgl.*;

public class Container5
  {
  public static void main( String[] args )
    {
    Array Array = new Array();
    Array.add( new Integer( 2 ) );
    Array.add( new Boolean( false ) );
    Array.add( new Character( 'x' ) );
    Array.add( new Float( 3.14F ) );
    System.out.println( "Array = " + Array );
    }
  }

Container5 Example Output

Array = Array( 2, false, x, 3.14 )

Container6 Example Code

// Copyright(c) 1996,1997 ObjectSpace, Inc.
import COM.objectspace.jgl.*;
import Company;

public class Container6
  {
  public static void main( String[] args )
    {
    Company company1 = new Company( "ObjectSpace" );
    Company company2 = new Company( "Sun Microsystems" );

    HashMap headquarters = new HashMap();
    headquarters.put( company1, "Texas" );
    headquarters.put( company2, "California" );

    String location = (String) headquarters.get( company1 );
    System.out.println( "The headquarters of " + company1 + " are in " + location );
    }
  }

Container6 Example Output

The headquarters of Company( ObjectSpace ) are in Texas

Container7 Example Code

// Copyright(c) 1996,1997 ObjectSpace, Inc.
import COM.objectspace.jgl.*;

public class Container7
  {
  public static void main( String[] args )
    {
    Array array = new Array();
    array.add( "ape" );
    array.add( "cat" );
    try
      {
      Object object = array.at( 5 );
      }
    catch ( IndexOutOfBoundsException exception )
      {
      System.out.println( "Caught " + exception );
      }
    }
  }

Container7 Example Output

Caught java.lang.IndexOutOfBoundsException: Attempt to access index 5 when valid range is 0..1

Container8 Example Code

// Copyright(c) 1996,1997 ObjectSpace, Inc.
import COM.objectspace.jgl.*;

public class Container8
  {
  public static void main( String[] args )
    {
    Array array = new Array();
    try
      {
      Object object = array.front();
      }
    catch ( InvalidOperationException exception )
      {
      System.out.println( "Caught " + exception );
      }
    }
  }

Container8 Example Output

Caught COM.objectspace.jgl.InvalidOperationException: Array is empty

Container9 Example Code

// Copyright(c) 1996,1997 ObjectSpace, Inc.
import COM.objectspace.jgl.*;

public class Container9
  {
  public static void main( String[] args )
    {
    try
      {
      Array array = new Array( -2 );
      }
    catch ( IllegalArgumentException exception )
      {
      System.out.println( "Caught " + exception );
      }
    }
  }

Container9 Example Output

Caught java.lang.IllegalArgumentException: Attempt to create an Array with a negative size

Container10 Example Code

// Copyright(c) 1996,1997 ObjectSpace, Inc.
import COM.objectspace.jgl.*;

public class Container10
  {
  public static void main( String[] args )
    {
    int ints[] = { 3, -1, 2, 0, -6 };
    IntArray intArray = new IntArray( ints ); // Construct adapter class.
    System.out.println( "unsorted native int array = " + intArray );
    Sorting.sort( intArray ); // Sort native array.
    System.out.print( "sorted = " );
    for ( int i = 0; i < ints.length; i++ )
      System.out.print( ints[ i ] + " " );
    System.out.println();
    }
  }

Container10 Example Output

unsorted native int array = int[]( 3, -1, 2, 0, -6 )
sorted = -6 -1 0 2 3 

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