Complete the method to check if the expression is valid for conversion of infix to postfix
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Complete the method to check if the expression is valid for conversion of infix to postfix here is the method:
//checks if infix expression is valid for conversion
private static boolean isConvertable(String infix) {
boolean doConvert = true;
//ToDo = returns true if expression is convertable, else,false return doConvert; }
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- 4PROBLEM STATEMENT: Use string concatenation to append the "dogs" string to the parameter str. public class StringConcatAppend{public static String solution(String str){// ↓↓↓↓ your code goes here ↓↓↓↓return null; Can you help me with this question The language is JavaPython Language Useful websites: : http://en.wikipedia.org/wiki/Radix http://www.purplemath.com/modules/numbbase.htm Special Rules: Use only Boolean/math expressions and conditional statements (if-statements). Do not use built-in functions for converting integers into a string representation. Here to start with: kthDigit(x: int, b: int, k: int) -> int .........
- NoneCode in C++ Language STRING FLIP ALPHABET One of the simplest cryptography technique is to invert the characters such that the first character of the alphabet will be replaced to the last character, the second character be replaced to the second to the last, and so on. So all A's are turned into Z's, B to Y, C to X, and so on until X to C, Y to B, and Z to A. In a similar fashion, numeric characters will also be inverted such that 0 will become 9, 1 to 8, 2 to 7 and so on until 7 to 2, 8 to 1, and 9 to 0. Given a string composed of uppercase and lowercase letters, numbers, and spaces, your task is to invert them. You also must keep the case of the letters as is. Input: A string composed of uppercase and lowercase letters, numbers, and spaces. The quick brown 1 Fox jumps over the 6 lazy Dogs Output: The inverted string Gsv jfrxp yildm 8 Ulc qfnkh levi gsv 3 ozab WlthIn JAVA language: Define a function in which a string is passed as a parameter and the function returns true if the length of the string is a multiple of 3. Otherwise, the function returns false.
- Write application that prints matrix with rows and columns, number of rows and columns are input parameters (Have main method) Use DART programming languageIn C++ (Algebra: solve 2 × 2 linear equations) You can use Cramer’s rule to solve the following 2 × 2 system of linear equation: ax + by = ecx + dy = fx = (ed - bf) / (ad - bc)y = (af - ec) / (ad - bc) Write a program that prompts the user to enter a, b, c, d, e and f and displays the result. If ad - bc is 0, report that “The equation has no solution”. Sample Run 1 Enter a, b, c, d, e, f: 9.0 4.0 3.0 -5.0 -6.0 -21.0 x is -2 and y is 3 Sample Run 2 Enter a, b, c, d, e, f: 1.0 2.0 2.0 4.0 4.0 5.0 The equation has no solutionDo in Scala language
- In C++ Find the five errors. For each error, state the line number, explain the error and show a correction. #include<iostream> #include<iomanip> using namespace std; class colorCode { public: void setRGB(int); //accepts an int parameter and sets the RGB to the value of the parameter void setName(string);//accepts a string parameter and sets the name of the object to the value of the parameter string getName() const;//returns the name of the object int getRGB() const;//returns the RGB of the object void changeColor();// adds 10 to the RGB value private: string name; int RGB; } int main() { colorCode paintCans[10]; int i; for (i = 0; i < 10; i++){ paintCans.setRGB[i] = 0;} paintCans[5].setName(GREEN); paintCan[5].setRGB(192000); cout << paintCans[5].getName << ' ' << paintCans[5].getRGB() << endl; return 0; }In C++ fill in the blanksc++: How do I set a boolean hasDigit to true if string userInput contains a digit? bool hasDigit;string userInput; hasDigit = false;cin >> userInput; if((isdigit(passCode))) //***{hasDigit = true; } //error***: no matching function for call to ‘isdigit(std::string&)’