a post-fix expressions. What is the result if the following postfix expression is evaluated? 2 12 7 2 4 + 8 * + 2 + *

Q: Command Line Args Modify code below to accept the values for the key as command line arguments.…

A: The program is written in java

Q: In C++ please. Write a program that creates and displays a stack of 4 elements using functions

A: The C++ code is given below with output screenshot

Q: Define blanks parameter.

A: BLANKS parameter: The BLANKS parameter is used to determine if a field of unknown length is blank.

Q: are some ways you can make code more efficient when using if-else blocks?

A: some ways you can make code more efficient when using if-else blocks

Q: Please describe the back stack as well as the back button.

A: The back stack feature of Android allows you to retain track of previous actions or fragments that…

Q: main () { int x, y, z,M; x=0; y=1;z=1; M=++x || ++y && ++z; cout<<"M="<<M; }

A: { Int x, y, z ,M X=0; y=1;z=1; M=++x || ++y &amp;&amp; ++z; Cout &lt;&lt; “M=”&lt;&lt;M; }

Q: Which aggregation actions are permitted on struct variables but not array variables?

A: The following table summarizes the aggregate operations that are permitted on "struct" variables but…

Q: T/F 3) The parameter (String[ ] variable) is used in a Java key method such that a user may run the…

A: Below is the correct answer:

Q: When you move the pointer too quickly, a phenomena known as submarineing happens when the cursor…

A: The phenomenon of "submarining," when the pointer appears to vanish, occurs when you move the…

Q: A WriteOnly property can be an auto-implemented property. a. True b. False

A: Auto-implemented property: It provides the single line of code to indicate the property It…

Q: A floor plan is arranged as follows: • You may freely move between rooms 1 and 2. • You may freely…

A: In this problem we need to write the progam into the RUBY programming language.  To solve this…

Q: int x; x=-2; do { x++; cout0); cout<<"done";

A: This is a while statement code

Q: Write an application named MultiplicationTable that prompts the user for an integer value, for…

A: ALGORITHM:- 1. Take input from the user for the number. 2. Use a while loop to traverse from 1 to…

Q: C++ Code Only: One day, Fred and his N friends were playing a card game in number written on it. The…

A: Algo: I have written the code below:   Iterate for all possible subarrays that can  be and find the…

Q: //main.cpp #include "Person.h" #include "Seller.h" #include "Powerseller.h" #include #include…

A: The issue in the code The issue lies within the addSeller function. The code doesn't return to the…

Q: } /** * Adds letterGuessed to the current String updateLetterBoard * @param usedLetterBoard * @param…

A: Solution:   1. Implementation of public static String updateLetterBoard(String usedLetterBoard, char…

Q: When you move the pointer too quickly, a phenomena known as "submarining" might take place, in which…

A: Submarining : Submarining is a sort of ghosting that is also known as "zombie-ing."  It occurs when…

Q: int j; switch (i) {    case 0: j = 2*i; break;    case 1: j = -i; break;    default: j = -2*i;…

A: If i=1, then j will be -1.  Because here i=1 which jumped to case 1 where j = -i =&gt; j = -1 then…

Q: Write a function in Java that implements the following logic: Given a number n, return true if n is…

A: I have  provided  JAVA CODE  along  with  CODE  SCREENSHOT  and  OUTPUT  SCREENSHOT---------