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3 years ago

Which of the following types does the Java programming language support?

Computers and Technology

2 answers:

gtnhenbr [62]3 years ago

4 0

Answer:

The correct answer for the given question is option(b) i. e "Integer" and option(c) i.e "Object".

Explanation:

The Integer is a wrapper class for int data type in the java programming language, The integer provides more flexibility in storing the data and manipulating the data .

The syntax of using Integer type is given below

Integer variable_name = new Integer("value");

For example

Integer a1 = new Integer("12") ;

Object is the class in java programming language which is present in java.lang package. Object also describe the return type of the java constructor.

sasho [114]3 years ago

4 0

Answer:

b. Integer

c. Object

Explanation:

Among the given options Java supports Integer and Object types.

Integer is the type for declaring integer value.You can declare a variable integer by writing int in front of it.There are no packages of the integer and object.

Objects are the combination of the data given and the procedure that can be used to work on the data that is available.

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Which of the following technologies can operate in the 125 kHz to 134 kHz range?

Sophie [7]

Technologies that can operate in the 125 kHz to 134 kHz range is the

B. RFID

Explanation:

RFID is technology which works on radio frequency and it is used for the auto-identification for the different object.
The RFID system mainly consists of two parts. In this RFID system, this RFID reader continuously sends radio waves of a particular frequency
RFID is the use of radio waves to read and capture information stored on a tag attached to an object, providing a unique identifier for an object.
Active RFID tags have a transmitter and their own power source. Instead, they draw power from the reader, which sends out electromagnetic waves that induce a current in the tag's antenna.
Semi-passive tags use a battery to run the chip's circuitry, but communicate by drawing power from the reader.
Radio frequency identification (RFID) can operate in three frequency bands: 125 kHz to 134 kHz, 13.56 MHz, or 856 MHz to 960 MHz. Bluetooth is 2.4 GHz; NFC is 13.56 MHz; and LTE is between 600 MHz and 6 GHz.

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3 years ago

Write a program that prompts the user to enter a string (may contain spaces) and displays its last character. Enter s string: Pr

STALIN [3.7K]

Answer:

The programming language in Python is as follows:-

#Prompt user for input string

userinput = input("Enter a string: ")

#Print the last character of the input

print("The last character is "+userinput[-1])

#End of Program

Explanation:

This line is a comment

#Prompt user for input string

This line prompts user for input

userinput = input("Enter a string: ")

This line is also a comment

#Print the last character of the input

This next line prints the last character of the input string; the last character is defined by the index -1

print("The last character is "+userinput[-1])

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3 years ago

Which statement is true about customizing presentation programs? A. You can add multiple animations to an object in a slide with

levacccp [35]

From all the given options, the correct statement about customizing presentation is (B) you can customize a pre-designed slide layout with the Slide Master.

The option (A) is false, because if you want to put animations on your slide objects, you need to go to the Animation tab, while option (C) is false because to view the animation that you assign to a slide object, you need to open the animation pane bar or go to slide show. Option (D) is false because you can make changes to the colors, fonts, and effects for pre-designed slide themes.

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3 years ago

Read 2 more answers

How could social media have a negative impact if not used properly when seeking employment

castortr0y [4]

Before hiring someone, employers often check the social media pages of people applying for a job. If their social media account has content not up to the company's standards, they may not get the job.

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3 years ago

Write a program that asks the user to input an integer named numDoubles. Create a dynamic array that can store numDoubles double

Hitman42 [59]

Answer:

Answered in C++

#include <iostream>

using namespace std;

int main() {

int size;

cout<<"Length of array: ";

cin >> size;

double *numDoubles = new double[size];

double sum =0;

cout<<"Array Elements: ";

for(int i=0;i<size;i++){

cin>>numDoubles[i];

sum += numDoubles[i];

}

delete [] numDoubles;

cout<<"Average: "<<sum/size;

return 0;

}

Explanation:

This line declares the size (or length) of the array

int size;

This line prompts the user for the array length

cout<<"Length of array: ";

This gets the input from the user

cin >> size;

This dynamically declares the array as of double datatype

double *numDoubles = new double[size];

This declares and initializes sum to 0

double sum =0;

This prompts the user for elements of the array

cout<<"Array Elements: ";

The following iteration gets input from the user and also calculates the sum of the array elements

for(int i=0;i<size;i++){

cin>>numDoubles[i];

sum += numDoubles[i];

}

This deletes the array

delete [] myarray;

This calculates and prints the average of the array

cout<<"Average: "<<sum/size;

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3 years ago