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zvonat [6]
3 years ago
14

Consider the following method, which is intended to return the index of the first negative integer in a given array of integers.

public int positionOfFirstNegative(int[] values) { int index = 0; while (values[index] >= 0) { index++; } return index; } What precondition is needed on the values array so that the method will work as intended?
Computers and Technology
1 answer:
Aleksandr [31]3 years ago
3 0

Answer:

The answer is "The array values must contain at least one negative integer".

Explanation:

In the above-given code, a method "positionOfFirstNegative" is declared, that accepts an array "values" as a parameter, inside the method an integer variable index is declared, that use in the while loop to check array value is greater than equal to 0, if the conditional is true it will increments the index value and return its value, that's why in this question array value include at least one negative value.

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What type of malicious procedure involves using sniffing tools to capture network communications to intercept confidential infor
Alex_Xolod [135]

Answer:

eavesdropping

Explanation:

Eavesdropping is as an <em>electronic attack</em> where digital communications are intercepted by an individual whom they are not intended. This is done in two main ways: <em>Directly listening</em> to digital or analog voice communication or the <em>interception or sniffing</em> of data relating to any form of communication.

4 0
3 years ago
The following method public String removeFromString(String old, String frag) removes all occurences of the string frag from the
Mashutka [201]

private static String removeFromString(String old, String frag)

{

int i = old.indexOf(frag);

while (i> -1) {

String rest = old.substring(i + frag.length());

System.out.println("rest = " + rest);

old = old.substring(0, i);

System.out.println("rest = " + old);

old = old + rest;

System.out.println("rest = " + old);

i = old.indexOf(frag);

System.out.println("i = "+ i);

}

return old;

}

Here the index of first occurrence is obtained outside the “while loop” and if this loop runs until index value is >-1. It extracts the rest of the characters other than “frag” from the index and all the characters for which the given set of characters are removed.

4 0
3 years ago
If I was to sort the months of the year in ASCENDING order alphabetically, which
bogdanovich [222]
The answer is C.) April
5 0
3 years ago
Create a program that allows the user to pick and enter a low and a high number. Your program should generate 10 random numbers
Natalka [10]

Answer:

import java.util.Scanner;

import java.util.Arrays;

import java.util.Random;

public class Main {

 public static void main(String[] args) {

   Scanner scan = new Scanner(System.in);

   System.out.print("Enter low: ");

   int low = scan.nextInt();

   System.out.print("Enter high: ");

   int high  = scan.nextInt();

   scan.close();

   int rndnumbers[] = new int[10];

   Random r = new Random();

   for(int i=0; i<rndnumbers.length; i++) {

     rndnumbers[i] = r.nextInt(high-low+1) + low;

   }

   for(int i=0; i<rndnumbers.length; i++) {

     System.out.printf("%d: %d\n", i, rndnumbers[i]);

   }

 }

}

4 0
3 years ago
A mail merge data source must contain
Katena32 [7]

Answer:

A. a collection of organized data.

Explanation:

It can be a data source, or a database, an excel sheet. or access database. However, it must be well-formatted and hence organized. filtering of data is not necessary, as well as it is not any barrier to the number of the set of data, or the data being sorted. Unsorted data is also fine, and multiple set of data is also fine. It must be known that a data source can be formed from multiple sets of data through the query. And the resultant data source can be used by the mail merge. However, the data source must be a collection of organized data. Hence, A is the correct answer.

5 0
4 years ago
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