Given the following code in a file called Example. java: public class Example{ public static void main(String[] args){ String[] increasing = new String[args. length-1]; for(int i = 0; i < increasing. length; i++){ if(increasing[i]. equals(null)) { increasing[i] = i + ""; } } System. out. println(increasing[0]); } } What is the result of having typed the following in the terminal: javac Example. java java Example these are arguments we typed O It prints these O It prints 0 O It prints nul1 O The code doesn't compile after doing javac Example. java O There is a Nul1PointerException error at runtime O The code runs into an ArrayIndexOut0fBoundsException error O None of the above

Given the following code in a file called Example. java: public class Example{ public static void main(String[] args){ String[] increasing = new String[args. length-1]; for(int i = 0; i < increasing. length; i++){ if(increasing[i]. equals(null)) { increasing[i] = i + ""; } } System. out. println(increasing[0]); } } What is the result of having typed the following in the terminal: javac Example. java java Example these are arguments we typed O It prints these O It prints 0 O It prints nul1 O The code doesn't compile after doing javac Example. java O There is a Nul1PointerException error at runtime O The code runs into an ArrayIndexOut0fBoundsException error O None of the above

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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preLabC.java U 1 import java.util. Random; 2 3 4 public class preLabC { 5 6 ▼ 7 8 9 10 11 12 13 import java.util.StringJoiner; 14 15 16 17 18 19 20 } public static String myMethod(MathVector inputVector) { String vectorStringValue = new String(); // empty String object System.out.println("here is the contents object, inputVector: + inputVector); // get a String out of that MathVector object. Do it here. } // return the double value here. return vectorStringValue; On the next line. ▸ Compilation ▾ Description A MathVector object will be passed to your method. Return its contents as a String. If you look in the file MathVector.java you'll see there is a way to output the contents of a MathVector object as a String. This makes it useful for displaying to the user. /*** * Returns a String representation of this vector. The String should be in the format "[1, 2, 3]" * * @return a String representation of this vector * @apiNote **DO NOT** use the built-in (@code Arrays.toString()} method. */…
1. Divisors: In a class Divisors.java, read in a maximum integer n and use nested loops to print a list of divisors for each of 1 through n as shown in the following transcript. Sample transcript (input underlined): Largest integer? 100 1: 1 2: 1 2 3: 1 3 4: 1 2 4 95: 1 5 19 95 96: 1 2 3 4 6 8 12 16 24 32 48 96 97: 1 97 98: 1 2 7 14 49 98 99: 1 3 9 11 33 99 100: 1 2 4 5 10 20 25 50 100
Explain the program as per your understanding) class hello { public static void Main(String[] args) { for (int i- e; i - 5; i++) { if (i == 4) { break; Console.HriteLine("The number is "+ i); Console.ReadLine(); class Program static void Main(stringt) args) int[] P = new int[] { 2,4,6,8,10 }; value(ref P); Console.ReadLine(); public static void value(ref int[] R) for (int i = 0; i < R. Length; i++) R[i] - R[1] + i*i; Console.Write(R[i] + "); class Program static void Main(stringt] args) int[] P = new int[] { 2,4,6,8,10 }; value(ref P); Console.ReadLine(); public static void value(ref int[] R) for (int i = 0; i < R.Length; i++) R[i] - R[1) + i*i; Console.Write(R[i] + ");
1. When you run the following code, what would happen?public class Question1 {public static void main(String arg[]){int i;int [] A = new int[10];int count = 0;int temp = 10;for (i=0; i < A.length; i++)if (A[i] < temp) count++;System.out.println(count);}}(a) It finds the smallest value and stores it in temp.(b) It finds the largest value and stores it in temp.(c) It counts the number of elements equal to the smallest value in list.(d) It counts the number of elements in list that are less than temp.
public class ArraySection { static void arraySection(int a[], int b[]) { int k = 0; int [] c = new int[a.length]; for(int i = 0; i < a.length; i++) { for(int j = 0; j < b.length; j++) if(a[i] == b[j]) c[k++] = a[i]; } for(int i = 0; i < k; i++) System.out.println(c[i]); System.out.println(); } public static void main(String[] args) { int a[] = { 1, 2, 3, 4, 5 }; int b[] = { 0, 2, 4,5 }; arraySection(a,b); }} Calculate the algorithm step number and algorithm time complexity of the above program?
preLabC.java 1 import java.util.Random; 2 import java.util.StringJoiner; 3 4- public class preLabC { 5 6- 7 8 9 10 11 12 13 14 15 16 17 18 19 20 } public static String myMethod(MathVector inputVector) { String vectorStringValue = new String(); // empty String object System.out.println("here is the contents object, inputVector: + inputVector); // get a String out of that MathVector object. Do it here. On the next line. // return the double value here. return vectorStringValue; "1 ▸ Compilation Description A MathVector object will be passed to your method. Return its contents as a String. If you look in the file MathVector.java you'll see there is a way to output the contents of a MathVector object as a String. This makes it useful for displaying to the user. /** * Returns a String representation of this vector. The String should be in the format "[1, 2, 3]" * * @return a String representation of this vector * @apiNote **DO NOT** use the built-in (@code Arrays.toString()} method. */…
Integers numberOfParts, required Groups, and invalid Groups are read from input. If numberOfParts is 21 or more, then add 3 to requiredGroups. Otherwise, add 6 to invalidGroups. ► Click here for examples 3 public class GroupSurvey { 4 public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int numberOfParts; int requiredGroups; I int invalidGroups; 345679 8 9 10 11 12 13 14 15 16 17 18 19 20 } numberOfParts = scnr.nextInt (); requiredGroups = scnr.nextInt (); invalidGroups = scnr.nextInt (); /* Your code goes here */ if(numberOfParts>21){ requiredGroups= System.out.println(requiredGroups); System.out.println(invalidGroups);
public class arrayOutput ( public static void main (String [] args) { final int NUM ELEMENTS = 3; int[] userVals = new int [NUM_ELEMENTS]; int i; } Type the program's output userVals [0] = 2; userVals [1] = 6; userVals [2] = 8; for (i = userVals.length - 1; i >= 0; −−1) { System.out.println(userVals [1]); } C.C. ? ? ??
using System;using System.Text.RegularExpressions;class chapter8 {static void Main() {string words = "08/14/57 46 02/25/59 45 06/05/85 18" +"03/12/88 16 09/09/90 13";string regExp1 = "(\\s\\d{2}\\s)";MatchCollection matchSet = Regex.Matches(words,regExp1);foreach (Match aMatch in matchSet)Console.WriteLine(aMatch.Groups[0].Captures[0]);}} Now let’s modify this program to search for dates instead of ages, and usea grouping construct to organize the dates. And write the c# code:
JAVA Language: Transpose Rotate. Question: Modify Transpose.encode() so that it uses a rotation instead of a reversal. That is, a word like “hello” should be encoded as “ohell” with a rotation of one character. (Hint: use a loop to append the letters into a new string) import java.util.*; public class TestTranspose { public static void main(String[] args) { String plain = "this is the secret message"; // Here's the message Transpose transpose = new Transpose(); String secret = transpose.encrypt(plain); System.out.println("\n ********* Transpose Cipher Encryption *********"); System.out.println("PlainText: " + plain); // Display the results System.out.println("Encrypted: " + secret); System.out.println("Decrypted: " + transpose.decrypt(secret));// Decrypt } } abstract class Cipher { public String encrypt(String s) { StringBuffer result = new…
public class Program7 { publicstaticvoidmain(String[]args){ int[]numbers=newint[100]; String[]names={"Maria","Aris","Galin","Galena"}; double[]balances=newdouble[]{2,56,12.57,36.57,57.89}; //length System.out.println(numbers.length); System.out.println(names.length); System.out.println(balances.length); //modifying names[3]="Celine Dion"; System.out.println("__________________________"); //looping for(inti=0;i<names.length;i++){ System.out.println(names[i]); } System.out.println("__________________________"); for(Stringname:names){ System.out.println(name); } //modifying array System.out.println("__________________________"); for(inti=0;i<names.length;i++){ names[i]=names[i]+" Annan"; System.out.println(names[i]); } System.out.println("__________________________"); doubletotal=0.0; for(inti=0;i<balances.length;i++){ total+=balances[i]; } System.out.println("Total Balance: "+ total); } } //calculate the average of the total balance
public class output[ public static void main(String [] args) { int [][] D = new int [3][3]; int [] c = (0,0,1); for (int i=0;i0) D[i][j] = i j; else D[i][j] = i + j; c[i]+= D[i][j]; } } int sum=0; for(int i=0;i<3; i++) { sum+=C[i]; } System.out.println(sum); }// end of main }// end of class