pub l class va lidParentheses{ //You will be given an array of characters which only contain '(' and ')' //You need to validate the parentheses: // If there is '(', there must be ')' but not neccessary right after // '(' and ')' need to be in correct order public static boolean validateParentheses(char[] parentheses){ //TODO: YOUR CODE HERE return false; //Return for compilation, this is wrong -> delete when done Run | Debug public static void main(String[] args){ char[] parentheses1 = {'(', ')'}; System.out.println("Test 1 passed: " + (validateParentheses(parentheses1) == true)); System.out.println(x: ."); char[] parentheses2 = {'(', '(', ')', ')'}; System.out.println("Test 2 passed: " + (validateParentheses (parentheses2) == true)); System.out.println(x: "- -"); char[] parentheses3 = {'(', '(', ')'}; // this is false because it needds an extra close parenthesis to match the first open parenthesis System.out.println("Test 3 passed: " + (validateParentheses(parentheses3) == false)); System.out.println(x: "- ");| char[] parentheses4 = {')', '(', ')', '('}; / this is false because of a close parenthesis appears before an open parenthesis (first one/index 0) System.out.println("Test 4 passed: " + (validateParentheses(parentheses4) == false)); System.out.println(x: "- "); char[] parentheses5 = {'(', ')', ')', ')', '(', '('}; // || this is false because of a close parenthesis appears before an open parenthesis (third one/index 2) System.out.println("Test 5 passed: " + (validateParentheses (parentheses5) == false)); System.out.println(x: "); char[] parentheses6 = {'(', ')', '(', ')'}; System.out.println("Test 6 passed: " + (validateParentheses (parentheses6) == true)); System.out.println(x: "- -"); char[] parentheses7 = {'(', '(', '(', ')', ')', '('}; // this is false because there is no close parenthesis to match openned ones (first one and sixth one) System.out.println("Test 7 passed: " + (validateParentheses(parentheses7) == true)); System.out.println(x: "- ");
pub l class va lidParentheses{ //You will be given an array of characters which only contain '(' and ')' //You need to validate the parentheses: // If there is '(', there must be ')' but not neccessary right after // '(' and ')' need to be in correct order public static boolean validateParentheses(char[] parentheses){ //TODO: YOUR CODE HERE return false; //Return for compilation, this is wrong -> delete when done Run | Debug public static void main(String[] args){ char[] parentheses1 = {'(', ')'}; System.out.println("Test 1 passed: " + (validateParentheses(parentheses1) == true)); System.out.println(x: ."); char[] parentheses2 = {'(', '(', ')', ')'}; System.out.println("Test 2 passed: " + (validateParentheses (parentheses2) == true)); System.out.println(x: "- -"); char[] parentheses3 = {'(', '(', ')'}; // this is false because it needds an extra close parenthesis to match the first open parenthesis System.out.println("Test 3 passed: " + (validateParentheses(parentheses3) == false)); System.out.println(x: "- ");| char[] parentheses4 = {')', '(', ')', '('}; / this is false because of a close parenthesis appears before an open parenthesis (first one/index 0) System.out.println("Test 4 passed: " + (validateParentheses(parentheses4) == false)); System.out.println(x: "- "); char[] parentheses5 = {'(', ')', ')', ')', '(', '('}; // || this is false because of a close parenthesis appears before an open parenthesis (third one/index 2) System.out.println("Test 5 passed: " + (validateParentheses (parentheses5) == false)); System.out.println(x: "); char[] parentheses6 = {'(', ')', '(', ')'}; System.out.println("Test 6 passed: " + (validateParentheses (parentheses6) == true)); System.out.println(x: "- -"); char[] parentheses7 = {'(', '(', '(', ')', ')', '('}; // this is false because there is no close parenthesis to match openned ones (first one and sixth one) System.out.println("Test 7 passed: " + (validateParentheses(parentheses7) == true)); System.out.println(x: "- ");
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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