Tag: technology

Questions Related to technology

Which character function can be used to return a specified portion of a character string?
technology databases

  1. INSTR

  2. SUBSTRING

  3. SUBSTR

  4. POS

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Correct Option: C

SAP Web Dispatcher http/https ports can be chosen freely.
technology packaged enterprise solutions

  1. True

  2. False

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Correct Option: A

No more than 16 server cluster elements can be created on one SAP Java instance.
technology packaged enterprise solutions

  1. True

  2. False

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Correct Option: A

You can see the instance number from the directory, where the SAP AS Java is installed. Under /usr/sap/, there is a directory whose name contains the instance name including the instance number, for example, JC40 (where 40 is the instance number).
technology packaged enterprise solutions

  1. True

  2. False

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Correct Option: A
  1. Given a one dimensional array arr, what is the correct way of getting the number of elements in arr. Select the one correct answer.
technology programming languages

  1. a. arr.length

  2. b. arr.length - 1

  3. c. arr.size

  4. d. arr.size - 1

  5. e. arr.length()

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Correct Option: A
  1. Which of these statements are legal. Select the three correct answers.
technology programming languages

  1. a. int arr[][] = new int[5][5];

  2. b. int []arr[] = new int[5][5];

  3. c. int[][] arr = new int[5][5];

  4. d. int[] arr = new int[5][];

  5. e. int[] arr = new int[][5];

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Correct Option: A,B
  1. Select all correct declarations, or declaration and initializations of an array?
technology programming languages

  1. a. String str[];

  2. b. String str[5] = new String[5];

  3. c. String str[] = new String[] {"string1", "string2", "string3", "string4", "string5

  4. d. String str[] = {"string1","string2", "string3", "string4", "string5"};

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Correct Option: A,C,D

4 Which of the following are the java keywords?
technology programming languages
    1. final
    1. Abstract
    1. Long
    1. static
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Correct Option: A,D

5 What will be printed when you execute the code? class A { A() { System.out.println("Class A Constructor"); } } public class B extends A { B() { System.out.println("Class B Constructor"); } public static void main(String args[]) { B b = new B(); } }
technology programming languages
    1. Class A Constructor followed by Class B Constructor
    1. Class B Constructor followed by Class A Constructor
    1. Compile time error
    1. Run time error
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Correct Option: A

6 What will happen when you compile the following code? 1. package sources; 2. public class firstjava { 3. public static void main(String args[]) 4. { 5. private int a[] ={ 4, 4 }; 6. public int b=1; 7. a[b]=b=0; 8. System.out.println("value of b & a[0] & a[1]" + b + a[0] +a[1]); 9. } 10. }

technology programming languages
    1. Compilation error at line 2
    1. Runtime error at line 7.
    1. Compilation error at Line 7
    1. Compiles and prints 0 0 4
    1. Compiles and prints 0 4 0
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Correct Option: A