The function/method printCharacterPattern first num (0s nums 26) lines of the pattern as shown below. For example, if num= 4, the pattern is: a ab accepts an integer num. It is supposed to print the abc abcd The function/method compiles successfully but fails to print the desired result for some test cases
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- WRITE A JAVA PROGRAM Methods can be used to define reusable code and organize and simplify code. Problem:- Suppose that you need to find the sum of integers from 5 to 15, from 16 to 30, and from 31 to 39, respectively. Define a public static sum method that take two int parameters -> (int start, int end) In the method, use for loop to add all the number from start to end. Later, invoke the sum inside the main method. Do the sum for each a) 5 to 15; b) 16 to 30; and c) 31 to 39 separately and later print the results. Output: Sum from 5 to 15 is 110 Sum from 16 to 30 is 345 Sum from 31 to 39 is 315In java, Write a method checks if a given matrix is a unit matrix. An N x N unit matrix is a matrix of N rows and N columns where all the diagonal elements are ‘1’s and all the remaining elements are ‘0’s. The method should take a 2D array of integers as argument and return a Boolean which is true/false depending on whether the matrix corresponding to the 2D array is a unit matrix or not. Test the method in the ‘main’ method. For problems asking for 'methods', you need to write the method, and the 'main' method which is used as a 'driver' to test the given method.Problem: To write the JUnit test cases for our methods, you need to create two test methods: testLeapYear: This method should test if the isLeapYear method returns true for a given leap year. For example, you can choose the year 2020 and verify if the method returns true for it. If it does, the test will pass. If it doesn't, the test will fail. testNotLeapYear: This method should test if the isLeapYear method returns false for a given non-leap year. For example, you can choose the year 1900 and verify if the method returns false for it. If it does, the test will pass. If it doesn't, the test will fail. --------------------------------------------------------------------------------------------------------------------------------------------------------- import static org.junit.jupiter.api.Assertions.assertTrue; import org.junit.jupiter.api.Test; public class LeapYearTest { // Test case to check if a year is a leap year @Test public void testLeapYear() { //create…
- You have a card on which the letter J is written on one side and K on the other. You want to seeall of the possible ways the card will land if you drop it n times. Write a recursive method thatprints each session of dropping the cards with J's and K's. For example if you drop it 4 times in agiven session, all possible ways to drop it are as follows (in exactly the specified order): J J J JJ J J KJ J K JJ J K KJ K J JJ K J KJ K K JJ K K KK J J JK J J KK J K JK J K KK K J JK K J KK K K JK K K KYou have a card on which the letter J is written on one side and K on the other. You want to seeall of the possible ways the card will land if you drop it n times. Write a recursive method thatprints each session of dropping the cards with J's and K's. For example if you drop it 4 times in agiven session, all possible ways to drop it are as follows (in exactly the specified order): (java code)Define a static void method, which receives as an parameter an array of salaries (of type double) and increases them as follows • salaries <$ 800 - by 10% • 800 <= salaries <= $1500 - by 5% • salaries over $1,500 - by 3% In the test function, define an initialized array of salaries and display it. Call the written method and display the array again.
- Write the value_equality method.Given the two expressions ? and ?, first compute the set of variables ? that appear in either ? or ?. Then, the idea consists in performing num_sample times the following test for equality: First, produce a variable assignment (a dictionary) mapping each variable in ? to a random value. Choose these random values from the gaussian distribution centered around 0 and with standard deviation 10 (for instance; any continuous distribution with infinite domain would work). You can obtain such numbers using random.gauss(0, 10). Then, compute the values of ? and ? with respect to that variable evaluation. If the values are closer than a specified tolerance tolerance, you consider ? and ? equal (for that variable valuation). Otherwise, you can stop and return that ? and ? are different. If you can repeat the process num_sample times, and ? and ? are considered equal every time, then you declare them equal. WRITE CODE IN PYTHONSolve the following problem by writing methods/functions A) Write a method int sum (int, int) with takes 2 parameter as an input to the function and return the sum of these numbers(negative or positive) , to the calling function by using recursion g. sum (6, 5 ) return 11 sum (-4, 3) return -1 sum (-3, -4 ) return -7 B) Write a method age (i) which takes input age in numbers of days as a parameters print the age in years and month Age (3750) will print 10 years, 3 months Solve with C#Consider the DFA M = (Q,Σ,δ,q1,F) where Q = {q1,q2,q3,q4},Σ = {a,b},F = {q4} andδ(q1,a) = q2,δ(q2,b) = q3,δ(q3,a) = q4,δ(q3,b) = q1.Convert this DFA to a regular expression using the method discussed in class (as this automaticallyproves that the answer is correct, as the algorithm is proven correct). You only need to calculate sub-expressions if it is necessary towards the final answer. Also, simplify each subexpression using any lawdiscussed in class (including those derived on the board). To summarize, those were 1) (ε+ R)∗= R∗,2) S ·R∗= R∗if L(S) ⊆L(R∗) and ε ∈S, and 3) S + R = R if L(S) ⊆L(R).
- In Frac.h, extend the methods addition( const Fraction & ),subtraction(const Fraction&), multiply(const Fraction &); divide(const Fraction &); void printFraction(); by overloading operators +, -, *, /, << respectively. The concept of extend can be achieved by keeping the existing functions (e.g. addition(const Fraction &), and etc.) and design the extended functions through calling the existing functions. Add overloading operators > and < so that they can compare two FractionsWrite your own implementation file which is named Frac2.cpp to replace Frac.cpp and implement the Fraction class and the necessary overloading operators. Download the driver Frac2Driver.cpp download to test your codes. If your codes in files Frac2.h and Frac2.cpp are correct, the standard output after the execution of your program should like the following: 7/3 + 1/3 = 8/37/3 - 1/3 = 27/3 * 1/3 = 7/97/3 / 1/3 = 77/3 is:> 1/3 according to the overloaded > operator>= 1/3…Using a source-level debugger, determine for what values of argumentsthe function Mystery returns a zero.#include <stdio.h>int Mystery(int a, int b, int c);int main(void){int sum = 0; // running sum of Mysteryfor (int i = 100; i > 0; i--) {for (int j = 1; j < i; j++) {for (int k = j; k < 100; k++)sum = sum + Mystery(i, j, k);}}}int Mystery(int a, int b, int c){int out;out = 3*a*a + 7*a - 5*b*b + 4*b + 5*c ;return out;}Our client just contacted us and said that they are planning from time to time to provide us with four integers instead of two and three.Thinking: What would be a universal/generic solution for dealing with such clients?Should we be proactive and write methods with 5, 6, 7, etc., parameters in advance?Review Multi-Way Conditional Statements, Implement the main method to invokeany of the following methods on demand, test your program with different inputs,and make sure it runs without errors.please use below code in answer and follow structure of example code public static int sum(int num1, int num2){ return num1 + num2; } public static int sum(int num1, int num2, int num3){ return num1 + num2 + num3; } public static int sum(int num1, int num2, int num3, int num4){ return num1 + num2 + num3 + num4 ; }