see image for instructions starter code for Main.java import java.util.*; public class Main { public static boolean checkParen(String s) { //implement this method to return true if grouping symbols match //each other, otherwise return false. /* Type your code here. */ } }
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see image for instructions
starter code for Main.java
import java.util.*;
public class Main {
public static boolean checkParen(String s) {
//implement this method to return true if grouping symbols match
//each other, otherwise return false.
/* Type your code here. */
}
}
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- Stacks 1- Write a Python function that takes a user input of a word and returns True if it is a Palindrome and returns False otherwise (Your function should use a Stack data structure). A palindrome is a word that can be read the same backward as forward. Some examples of palindromic words are noon, civic, radar, level, rotor, kayak, reviver, racecar, redder, madam, and refer. 2- Write a Python function that takes a stack of integer numbers and returns the maximum value of the numbers in the stack. The stack should have the same numbers before and after calling the function. 3- Write a main function that tests the functions you wrote in 1 and 2 above and make sure that your code is well documented.Exercise 1: Write a main program that reads the elements of a 2 x 2 integer matrix, A, from the user. It then performs the following tasks: • prints the matrix row-by-row using a nested looping structure, • adds all matrix elements in row 0 using a looping structure and prints the sum. For example, for matrix, A| [i 3 A[2][2] = 7 9 The Sample Session will be as follows: CA Microsoft Visual Studio Debug Console Enter element at row 0 column 0: 1 Enter element at row e column 1: 3 Enter element at row 1 column 0: 7 Enter element at row 1 column 1: 9 The matrix entered by the user is: 13 7 9 Sum of row 0 elements: 4 C:\Users\User\source\repos \Project1\Debug\Project1.exe (process 52912) exited with code 0. Press any key to close this windowWrite C++ statements for the following tasks: i. Create X point to the link(node) that stores data 21.ii. Create list point to the link containing data14.iii. Create Y point to the last link in the list.iv. Create list point to an empty list.v. Set the value of the link containing 23 to 33.vi. Create and insert the link with data 8 after the link pointed to by X.vii. Delete the link with data 21. Also, deallocate the memory occupied by this link.