Ipsec ma`lumotlarni vpn (Virtual Private Network) bosh ofis va filiallarni global tarmoq bilan bog‘laganda; uzoq masofadan turib, korxonani internet orqali boshqarishda; homiylar bilan bog‘langan tarmoqni himoyalashda

• 
  bosh ofis va filiallarni global tarmoq bilan bog‘laganda;
  
• 
  uzoq masofadan turib, korxonani internet orqali boshqarishda;
  
• 
  homiylar bilan bog‘langan tarmoqni himoyalashda;
  

elektron tijoratning xavfsizlik darajasini yuksaltirishda.

• 
  IPSec ma`lumotlarni VPN (Virtual Private Network) bosh ofis va filiallarni global tarmoq bilan bog‘laganda;
  
• 
  uzoq masofadan turib, korxonani internet orqali boshqarishda;
  
• 
  homiylar bilan bog‘langan tarmoqni himoyalashda;
  

elektron tijoratning xavfsizlik darajasini yuksaltirishda.

• 
  IPSec ma`lumotlarni VPN (Virtual Private Network) bosh ofis va filiallarni global tarmoq bilan bog‘laganda;
  
• 
  uzoq masofadan turib, korxonani internet orqali boshqarishda;
  
• 
  homiylar bilan bog‘langan tarmoqni himoyalashda;
  

elektron tijoratning xavfsizlik darajasini yuksaltirishda.

• 
  IPSec ma`lumotlarni VPN (Virtual Private Network) bosh ofis va filiallarni global tarmoq bilan bog‘laganda;
  
• 
  uzoq masofadan turib, korxonani internet orqali boshqarishda;
  
• 
  homiylar bilan bog‘langan tarmoqni himoyalashda;
  

elektron tijoratning xavfsizlik darajasini yuksaltirishda.

• 
  IPSec ma`lumotlarni VPN (Virtual Private Network) bosh ofis va filiallarni global tarmoq bilan bog‘laganda;
  
• 
  uzoq masofadan turib, korxonani internet orqali boshqarishda;
  
• 
  homiylar bilan bog‘langan tarmoqni himoyalashda;
  

elektron tijoratning xavfsizlik darajasini yuksaltirishda.
IPSec ma`lumotlarni VPN (Virtual Private Network) uyali aloqa telefonlarigacha barchasi yarimoʻtkazgichli texnologiyaga asoslangan. Eng keng qoʻllaniladigan yarimoʻtkazgich modda kremniy boʻlib, boshqa moddalar ham keng qoʻllaniladi.Yarimoʻtkazgichlar — elektr tokini yaxshi oʻtkazuvchi moddalar (oʻtkazgichlar, asosan, metallar) va elektr tokini amalda oʻtkazmaydigan moddalar (dielektriklar) orasidagi oraliq vaziyatni egallaydigan moddalar. Mendeleyev davriy sistemasida II, III, IV, V Similarity with 1D Arrays • Each element in the 2D array must by the same type, • either a primitive type or object type. • Subscripted variables can be use just like a variable: rating[0][3] = 10; • Array indices must be of type int and can be a literal, variable, or expression. rating[3][j] = j; • If an array element does not exists, the Java runtime system will give you an ArrayIndexOutOfBoundsException 4 Summer 2010 15-110 (Reid-Miller) Declaring 2D Arrays • Declare a local variable rating that references a 2D array of int: • Declare a field family that reference a 2D array of GiftCards: • Create a 2D array with 3 rows and 4 columns and assign the reference to the new array to rating: • Shortcut to declare and create a 2D array: int[][] rating; private GiftCard[][] family; rating = new int[3][4]; int[][] rating = new int[3][4]; 5 Summer 2010 15-110 (Reid-Miller) Example 1 • Find the average rating by the reviewer in row 2. int sum = 0; for (int col = 0; col <= 3; col++) { sum += rating[2][col]; } double average = (double) sum / 4; 2 6 9 3 7 1 7 Similarity with 1D Arrays • Each element in the 2D array must by the same type, • either a primitive type or object type. • Subscripted variables can be use just like a variable: rating[0][3] = 10; • Array indices must be of type int and can be a literal, variable, or expression. rating[3][j] = j; • If an array element does not exists, the Java runtime system will give you an ArrayIndexOutOfBoundsException 4 Summer 2010 15-110 (Reid-Miller) Declaring 2D Arrays • Declare a local variable rating that references a 2D array of int: • Declare a field family that reference a 2D array of GiftCardsuyali aloqa telefonlarigacha barchasi yarimoʻtkazgichli texnologiyaga asoslangan. Eng keng qoʻllaniladigan yarimoʻtkazgich modda kremniy boʻlib, boshqa moddalar ham keng qoʻllaniladi.Yarimoʻtkazgichlar — elektr tokini yaxshi oʻtkazuvchi moddalar (oʻtkazgichlar, asosan, metallar) va elektr tokini amalda oʻtkazmaydigan moddalar (dielektriklar) orasidagi oraliq vaziyatni egallaydigan moddalar. Mendeleyev davriy sistemasida II, III, IV, V Similarity with 1D Arrays • Each element in the 2D array must by the same type, • either a primitive type or object type. • Subscripted variables can be use just like a variable: rating[0][3] = 10; • Array indices must be of type int and can be a literal, variable, or expression. rating[3][j] = j; • If an array element does not exists, the Java runtime system will give you an ArrayIndexOutOfBoundsException 4 Summer 2010 15-110 (Reid-Miller) Declaring 2D Arrays • Declare a local variable rating that references a 2D array of int: • Declare a field family that reference a 2D array of GiftCards: • Create a 2D array with 3 rows and 4 columns and assign the reference to the new array to rating: • Shortcut to declare and create a 2D array: int[][] rating; private GiftCard[][] family; rating = new int[3][4]; int[][] rating = new int[3][4]; 5 Summer 2010 15-110 (Reid-Miller) Example 1 • Find the average rating by the reviewer in row 2. int sum = 0; for (int col = 0; col <= 3; col++) { sum += rating[2][col]; } double average = (double) sum / 4; 2 6 9 3 7 1 7 Similarity with 1D Arrays • Each element in the 2D array must by the same type, • either a primitive type or object type. • Subscripted variables can be use just like a variable: rating[0][3] = 10; • Array indices must be of type int and can be a literal, variable, or expression. rating[3][j] = j; • If an array element does not exists, the Java runtime system will give you an ArrayIndexOutOfBoundsException 4 Summer 2010 15-110 (Reid-Miller) Declaring 2D Arrays • Declare a local variable rating that references a 2D array of int: • Declare a field family that reference a 2D array of GiftCardsuyali aloqa telefonlarigacha barchasi yarimoʻtkazgichli texnologiyaga asoslangan. Eng keng qoʻllaniladigan yarimoʻtkazgich modda kremniy boʻlib, boshqa moddalar ham keng qoʻllaniladi.Yarimoʻtkazgichlar — elektr tokini yaxshi oʻtkazuvchi moddalar (oʻtkazgichlar, asosan, metallar) va elektr tokini amalda oʻtkazmaydigan moddalar (dielektriklar) orasidagi oraliq vaziyatni egallaydigan moddalar. Mendeleyev davriy sistemasida II, III, IV, V Similarity with 1D Arrays • Each element in the 2D array must by the same type, • either a primitive type or object type. • Subscripted variables can be use just like a variable: rating[0][3] = 10; • Array indices must be of type int and can be a literal, variable, or expression. rating[3][j] = j; • If an array element does not exists, the Java runtime system will give you an ArrayIndexOutOfBoundsException 4 Summer 2010 15-110 (Reid-Miller) Declaring 2D Arrays • Declare a local variable rating that references a 2D array of int: • Declare a field family that reference a 2D array of GiftCards: • Create a 2D array with 3 rows and 4 columns and assign the reference to the new array to rating: • Shortcut to declare and create a 2D array: int[][] rating; private GiftCard[][] family; rating = new int[3][4]; int[][] rating = new int[3][4]; 5 Summer 2010 15-110 (Reid-Miller) Example 1 • Find the average rating by the reviewer in row 2. int sum = 0; for (int col = 0; col <= 3; col++) { sum += rating[2][col]; } double average = (double) sum / 4; 2 6 9 3 7 1 7 Similarity with 1D Arrays • Each element in the 2D array must by the same type, • either a primitive type or object type. • Subscripted variables can be use just like a variable: rating[0][3] = 10; • Array indices must be of type int and can be a literal, variable, or expression. rating[3][j] = j; • If an array element does not exists, the Java runtime system will give you an ArrayIndexOutOfBoundsException 4 Summer 2010 15-110 (Reid-Miller) Declaring 2D Arrays • Declare a local variable rating that references a 2D array of int: • Declare a field family that reference a 2D array of GiftCards2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •2D Array of Object References • Need to create the objects and assign the references to the array elements. • Example: family[0][1] = new GiftCard(“Macy’s”, 50.0); family[1][3] = new GiftCard(“CVS”, 15.0); Macy’s CVS null 15 Summer 2010 15-110 (Reid-Miller) Example 4 •