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saveliy_v [14]
3 years ago
9

Analyze the following output public class Test{ public static void main(String args[]){ int[] x={1,2,3,4}; //here declare array

x with 1 2 3 4 int[] y=x; //here copy the x array into y array x=new int[2]; //here reintilized the array size which is 2 for(int i=0;i<.length;i++){ //here now array length is 2 it iterates 2 times System.out.print(x[i]+" ");
Computers and Technology
1 answer:
Bumek [7]3 years ago
8 0

Answer:

The C language code is a class called Test that accepts an array, duplicates it, reinitializes the first array to the first two items of the previous array, and loops through the array to print both items.

Explanation:

public class Test{

   public static void main(String args[]){

       int[] x={1,2,3,4};         //here declare array x with 1 2 3 4

       int[] y=x;                   //here copy the x array into y array

       x=new int[2];           //here reintilized the array size which is 2

       for(int i=0;i<.length;i++){    //here now array length is 2 it iterates 2 times

           System.out.print(x[i]+" ");

       }

}

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A variable like userNum can store a value like an integer. Extend the given program to print userNum values as indicated.(1) Out
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Answer:

The program in Java is as follows:

import java.util.*;

public class Main{

public static void main(String[] args) {

 int userNum;

 Scanner input = new Scanner(System.in);

 System.out.print("Enter integer: ");

 userNum = input.nextInt();

 System.out.println("You entered "+userNum);

 System.out.println(userNum+" squared is "+(userNum*userNum));

 System.out.println(userNum+" cubed is "+(userNum*userNum*userNum));

 int userNum2;

 System.out.print("Enter another integer: ");

 userNum2 = input.nextInt();

 int sum= userNum + userNum2; int product = userNum2 * userNum;

 System.out.println(userNum+" + "+userNum2+" = "+sum);

 System.out.println(userNum+" * "+userNum2+" = "+product); } }

Explanation:

This declares userNum

 int userNum;

 Scanner input = new Scanner(System.in);

This prompts the user for input

 System.out.print("Enter integer: ");

This gets user input from the user

 userNum = input.nextInt();

Number (1) is implemented here

 System.out.println("You entered "+userNum);

Number (2) is implemented here

 System.out.println(userNum+" squared is "+(userNum*userNum));

 System.out.println(userNum+" cubed is "+(userNum*userNum*userNum));

This declares another variable userNum2

 int userNum2;

This prompts the user for another input

 System.out.print("Enter another integer: ");

This gets user input from the user

 userNum2 = input.nextInt();

This calculates the sum and the product

 int sum= userNum + userNum2; int product = userNum2 * userNum;

Number (3) is implemented here

 System.out.println(userNum+" + "+userNum2+" = "+sum);

 System.out.println(userNum+" * "+userNum2+" = "+product);

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2 years ago
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