===========Answer question below:=========== - Write program in Java. (Convert infix to postfix) Note: Postfix notation is a way of writing expression without using parentheses. For example, the expression ( 11 + 12 ) * 13 would be written as 11 12 + 13 * Assume that ALWAYS there is a space between operands and operators in the input expression. Use two stacks, one to store the operands and one to store the operators. Your program only accpets following operators : ( ) + - / * Write a method to converts an infix expression into a postfix expression using the following method: String infixToPostfix(String expression) For example, the method should convert the infix expression ( 13 + 25 ) * 34 to 13 25 + 34 * and 20 * ( 10 + 30 ) to 20 10 30 + . - solution.java: import java.util.; import java.lang.; import java.io.; class InfixToPostfix { public String infixToPostfix(String expression) { } } class DriverMain { public static void main(String args[]) { Scanner input = new Scanner(System.in); InfixToPostfix postfix = new InfixToPostfix(); try { System.out.println(postfix.infixToPostfix(input.nextLine())); } catch (Exception ex) { System.out.println("Wrong expression"); } } }

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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===========Answer question below:===========

- Write program in Java.

(Convert infix to postfix)

Note:

Postfix notation is a way of writing expression without using parentheses. For example, the expression ( 11 + 12 ) * 13 would be written as 11 12 + 13 *
Assume that ALWAYS there is a space between operands and operators in the input expression.
Use two stacks, one to store the operands and one to store the operators.
Your program only accpets following operators :
- ( )
- +
- -
- /
- *

Write a method to converts an infix expression into a postfix expression using the following method:

String infixToPostfix(String expression)

For example, the method should convert the infix expression

( 13 + 25 ) * 34 to 13 25 + 34 *

and

20 * ( 10 + 30 ) to 20 10 30 + *.

- solution.java:

import java.util.*;

import java.lang.*;

import java.io.*;

class InfixToPostfix {

public String infixToPostfix(String expression) {

}

class DriverMain {

public static void main(String args[]) {

Scanner input = new Scanner(System.in);

InfixToPostfix postfix = new InfixToPostfix();

try {

System.out.println(postfix.infixToPostfix(input.nextLine()));

}

catch (Exception ex) {

System.out.println("Wrong expression");

}

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