Question

GetNumber Reuse the GetNumber0 method that you have been refining in the previous two labs Get Array Using your GetNumber0 method, create a method that will read in an array from the console. Begin by reading a number from the console which represents the size of the array to be read in. Then proceed to read in the specified number of elements Make sure to store the values obtained from the console in an array. PrintArray Develop a method that prints all the elements within the array passed to it. Exercise 7-4 Using the functions mentioned above, develop a routine that finds the longest consecutive sequence of integers. Should two integer values have consecutive sequences of the same length, the sequence composed of greater values would be the result (see example 2). Example 1: Consider the set (1, 2, 3, 3, 3,3,4,5, 5, 5), the result would be (3, 3, 3, 3) Example 2: Consider the set (1, 2, 5, 5, 5,4,4,4), even though there are consecutive sequences composed of 5's and 4's of length 3 the result should be the sequence composed of greater values, therefore the result is be (5, 5, 5) Exercise 7-5 Using the functions mentioned above, develop a routine that finds the longest consecutive sequence of consecutively increasing integers. In the event that there are two sequences that have the same length, the result should be the sequence that contains greater values (see example 2). Example 1: Consider the set (1, 2, 4,4, 5, 6, 7, the result would be (4, 5, 6, 7 Example 2: Consider the set 12, 4, 3,4, 5, 8, 1,2, 3) where there are two subsets (3, 4, 5) and (1, 2, 3) that satisfy the criteria. Your result should be (3, 4, 5) as it is the subset that satisfies the criteria with the greatest values.

GetNumber and Getarray parts are working but I need help figuring out part 7_4 and 7_5 (I do not need Printarray). My professor provided the sections in which we need to fill in with code to make them run and pass the test files provides by the professor in Visual Studio.

Answer 1

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import java.util.Arrays;
import java.util.Scanner;

public class ArraySequence {

public static void main(String[] args) {

int[] a = GetArray();
System.out.print("Printing array: ");PrintArray(a);
int[] longestArray = Excercise7_4(a);
System.out.print("\nLongest sequence: ");PrintArray(longestArray);
}

public static int[] GetArray() {
Scanner scanner = new Scanner(System.in);
System.out.print("How many numbers you want in the array: ");
int arraySize = scanner.nextInt();
int[] numbers = new int[arraySize];
for (int count = 1; count <= arraySize; count++) {
System.out.print("Enter number: ");
numbers[count - 1] = scanner.nextInt();
}
return numbers;
}

public static void PrintArray(int[] array) {

int perLine = 20;
int index = 0;
for (int num : array) {
if (index % perLine == 0) {
System.out.println();
}
System.out.print(num + " ");
index += 1;
}
}

public static int[] Excercise7_4(int[] x) {
int previousElement = x[0];
int previousCount = 1;
int currentElement = x[0];
int currentCount = 1;

for (int index = 0; index < x.length - 1; index++) {
if (x[index] == x[index + 1]) {
currentCount += 1;
currentElement = x[index];
} else {
if (currentCount > previousCount) {
previousElement = currentElement;
previousCount = currentCount;
} else if (currentCount == previousCount && currentElement > previousElement) {
previousElement = currentElement;
previousCount = currentCount;
}
currentCount = 1;
currentElement = x[index + 1];
}

}
if(currentCount>previousCount){
previousElement=currentElement;
previousCount=currentCount;
}
if(previousCount==1 && previousElement<x[x.length-1]){
previousElement=x[x.length-1];
}

int[] newArray = new int[previousCount];
Arrays.fill(newArray, previousElement);
return newArray;
}
}