hello, i am having a problem with this code and this is the error Exercise13_19.java:121: error: class, interface, or enum expected import java.math.BigInteger; Exercise13_19.java:122: error: class, interface, or enum expected import java.util.Scanner; import java.math.BigInteger; 122 import java.util.Scanner; 123 124 public class Exercise_13_19 { 125 /** Main method */ 126 public static void main(String[] args) { 127 Scanner input = new Scanner(System.in); 128 129 // Prompt the user to enter a decimal number 130 System.out.print("Enter a decimal number: "); 131 String[] decimal = input.nextLine().split("[.]"); 132 133 // Create a Rational object of the integer part of the decimal number 134 Rational r1 = new Rational(new BigInteger(decimal[0]), BigInteger.ONE); 135 136 // Create a Rational object of the fractional part of the decimal number 137 Rational r2 = new Rational(new BigInteger(decimal[1]), new BigInteger( 138 String.valueOf((int)Math.pow(10, decimal[1].length())))); 139 140 // Display fraction number 141 System.out.println("The fraction number is " + 142 (decimal[0].charAt(0) == '-' ? (r1).subtract(r2) : (r1).add(r2))); 143 } 144 } here is the code
hello, i am having a problem with this code and this is the error Exercise13_19.java:121: error: class, interface, or enum expected import java.math.BigInteger; Exercise13_19.java:122: error: class, interface, or enum expected import java.util.Scanner; import java.math.BigInteger; 122 import java.util.Scanner; 123 124 public class Exercise_13_19 { 125 /** Main method */ 126 public static void main(String[] args) { 127 Scanner input = new Scanner(System.in); 128 129 // Prompt the user to enter a decimal number 130 System.out.print("Enter a decimal number: "); 131 String[] decimal = input.nextLine().split("[.]"); 132 133 // Create a Rational object of the integer part of the decimal number 134 Rational r1 = new Rational(new BigInteger(decimal[0]), BigInteger.ONE); 135 136 // Create a Rational object of the fractional part of the decimal number 137 Rational r2 = new Rational(new BigInteger(decimal[1]), new BigInteger( 138 String.valueOf((int)Math.pow(10, decimal[1].length())))); 139 140 // Display fraction number 141 System.out.println("The fraction number is " + 142 (decimal[0].charAt(0) == '-' ? (r1).subtract(r2) : (r1).add(r2))); 143 } 144 } here is the code
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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hello, i am having a problem with this code and this is the error Exercise13_19.java:121: error: class, interface, or enum expected
import java.math.BigInteger;
Exercise13_19.java:122: error: class, interface, or enum expected
import java.util.Scanner;
import java.math.BigInteger; 122 import java.util.Scanner; 123 124 public class Exercise_13_19 { 125 /** Main method */ 126 public static void main(String[] args) { 127 Scanner input = new Scanner(System.in); 128 129 // Prompt the user to enter a decimal number 130 System.out.print("Enter a decimal number: "); 131 String[] decimal = input.nextLine().split("[.]"); 132 133 // Create a Rational object of the integer part of the decimal number 134 Rational r1 = new Rational(new BigInteger(decimal[0]), BigInteger.ONE); 135 136 // Create a Rational object of the fractional part of the decimal number 137 Rational r2 = new Rational(new BigInteger(decimal[1]), new BigInteger( 138 String.valueOf((int)Math.pow(10, decimal[1].length())))); 139 140 // Display fraction number 141 System.out.println("The fraction number is " + 142 (decimal[0].charAt(0) == '-' ? (r1).subtract(r2) : (r1).add(r2))); 143 } 144 }
here is the code
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