Please help me with these errors in java. Errors below public class Student {
//student related variables
//for reading the student information
String studName;
int studNum;
String coursesTaken;
float midtermMarks;
float finalTermMarks;
String teachComments;
float finalAvgWthCreEar;
//setters and getters methods to the above fields
/**
* @return the studName
*/
public String getStudName() {
return studName;
}
/**
* @return the studNum
*/
public int getStudNum() {
return studNum;
}
/**
* @return the coursesTaken
*/
public String getCoursesTaken() {
return coursesTaken;
}
/**
* @return the midtermMarks
*/
public float getMidtermMarks() {
return midtermMarks;
}
/**
* @return the finalTermMarks
*/
public float getFinalTermMarks() {
return finalTermMarks;
}
/**
* @return the teachComments
*/
public String getTeachComments() {
return teachComments;
}
/**
* @return the finalAvgWthCreEar
*/
public float getFinalAvgWthCreEar() {
return finalAvgWthCreEar;
}
/**
* @param studName the studName to set
*/
public void setStudName(String studName) {
this.studName = studName;
}
/**
* @param studNum the studNum to set
*/
public void setStudNum(int studNum) {
this.studNum = studNum;
}
/**
* @param coursesTaken the coursesTaken to set
*/
public void setCoursesTaken(String coursesTaken) {
this.coursesTaken = coursesTaken;
}
/**
* @param midtermMarks the midtermMarks to set
*/
public void setMidtermMarks(float midtermMarks) {
this.midtermMarks = midtermMarks;
}
/**
* @param finalTermMarks the finalTermMarks to set
*/
public void setFinalTermMarks(float finalTermMarks) {
this.finalTermMarks = finalTermMarks;
}
/**
* @param teachComments the teachComments to set
*/
public void setTeachComments(String teachComments) {
this.teachComments = teachComments;
}
/**
* @param finalAvgWthCreEar the finalAvgWthCreEar to set
*/
public void setFinalAvgWthCreEar(float finalAvgWthCreEar) {
this.finalAvgWthCreEar = finalAvgWthCreEar;
}
} SchoolInformation.java package Examples; import java.util.Scanner;
import java.sql.*; public class SchoolInformation {
public static void main(String[] args) {
try {
//method calling for getting student details
Student stdObj = getStudentDetails();
//getting the mysql database connection
Class.forName("com.mysql.jdbc.Driver");
//3306 -- replace with your database port number
//test -- replace with your database name
//root -- replace with your database user name
//Root -- replace with your database password
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "Root");
//creating query string for inserting student data
String query = "insert into studentInfo(studName, studNum, coursesTaken, midtermMarks, finalTermMarks, teachComments,"
+ " finalAvgWthCreEar) \r\n"
+ "values(?, ?, ?, ?, ?, ?, ?)";
PreparedStatement preparedStmt = con.prepareStatement(query);
//setting the values to the prepared statement
preparedStmt.setString(1, stdObj.getStudName());
preparedStmt.setInt(2, stdObj.getStudNum());
preparedStmt.setString(3, stdObj.getCoursesTaken());
preparedStmt.setFloat(4, stdObj.getMidtermMarks());
preparedStmt.setFloat(5, stdObj.getFinalTermMarks());
preparedStmt.setString(6, stdObj.getTeachComments());
preparedStmt.setFloat(7, stdObj.getFinalAvgWthCreEar());
//executing the insert query
preparedStmt.execute();
System.out.println("Student Record is inserted successfully");
//closing the connection object
con.close();
} catch (Exception e) {
System.out.println(e.getMessage());
}
} public static Student getStudentDetails() {
//creating the student object
Student stdObj = new Student();
try {
//creating the scanner class for reading console input
Scanner sc = new Scanner(System.in);
//reading all the student details and setting values to student object
System.out.print("Please enter student name : ");
stdObj.setStudName(sc.nextLine());
System.out.print("Please enter student number : ");
stdObj.setStudNum(sc.nextInt());
System.out.print("Please enter student course taken : ");
sc.nextLine();
stdObj.setCoursesTaken(sc.nextLine());
System.out.print("Please enter student mid term marks : ");
stdObj.setMidtermMarks(sc.nextFloat());
System.out.print("Please enter student final term marks : ");
stdObj.setFinalTermMarks(sc.nextFloat());
System.out.print("Please enter teacher comments: ");
sc.nextLine();
stdObj.setTeachComments(sc.nextLine());
System.out.print("Please enter student final average with credits earned : ");
stdObj.setFinalAvgWthCreEar(sc.nextFloat());
sc.close();
} catch (Exception e) {
System.out.println("invalid input entered, Please enter proper values");
}
//returning the student object
return stdObj;
}
}
Please help me with these errors in java. Errors below public class Student { //student related variables //for reading the student information String studName; int studNum; String coursesTaken; float midtermMarks; float finalTermMarks; String teachComments; float finalAvgWthCreEar; //setters and getters methods to the above fields /** * @return the studName */ public String getStudName() { return studName; } /** * @return the studNum */ public int getStudNum() { return studNum; } /** * @return the coursesTaken */ public String getCoursesTaken() { return coursesTaken; } /** * @return the midtermMarks */ public float getMidtermMarks() { return midtermMarks; } /** * @return the finalTermMarks */ public float getFinalTermMarks() { return finalTermMarks; } /** * @return the teachComments */ public String getTeachComments() { return teachComments; } /** * @return the finalAvgWthCreEar */ public float getFinalAvgWthCreEar() { return finalAvgWthCreEar; } /** * @param studName the studName to set */ public void setStudName(String studName) { this.studName = studName; } /** * @param studNum the studNum to set */ public void setStudNum(int studNum) { this.studNum = studNum; } /** * @param coursesTaken the coursesTaken to set */ public void setCoursesTaken(String coursesTaken) { this.coursesTaken = coursesTaken; } /** * @param midtermMarks the midtermMarks to set */ public void setMidtermMarks(float midtermMarks) { this.midtermMarks = midtermMarks; } /** * @param finalTermMarks the finalTermMarks to set */ public void setFinalTermMarks(float finalTermMarks) { this.finalTermMarks = finalTermMarks; } /** * @param teachComments the teachComments to set */ public void setTeachComments(String teachComments) { this.teachComments = teachComments; } /** * @param finalAvgWthCreEar the finalAvgWthCreEar to set */ public void setFinalAvgWthCreEar(float finalAvgWthCreEar) { this.finalAvgWthCreEar = finalAvgWthCreEar; } } SchoolInformation.java package Examples; import java.util.Scanner; import java.sql.*; public class SchoolInformation { public static void main(String[] args) { try { //method calling for getting student details Student stdObj = getStudentDetails(); //getting the mysql database connection Class.forName("com.mysql.jdbc.Driver"); //3306 -- replace with your database port number //test -- replace with your database name //root -- replace with your database user name //Root -- replace with your database password Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "Root"); //creating query string for inserting student data String query = "insert into studentInfo(studName, studNum, coursesTaken, midtermMarks, finalTermMarks, teachComments," + " finalAvgWthCreEar) \r\n" + "values(?, ?, ?, ?, ?, ?, ?)"; PreparedStatement preparedStmt = con.prepareStatement(query); //setting the values to the prepared statement preparedStmt.setString(1, stdObj.getStudName()); preparedStmt.setInt(2, stdObj.getStudNum()); preparedStmt.setString(3, stdObj.getCoursesTaken()); preparedStmt.setFloat(4, stdObj.getMidtermMarks()); preparedStmt.setFloat(5, stdObj.getFinalTermMarks()); preparedStmt.setString(6, stdObj.getTeachComments()); preparedStmt.setFloat(7, stdObj.getFinalAvgWthCreEar()); //executing the insert query preparedStmt.execute(); System.out.println("Student Record is inserted successfully"); //closing the connection object con.close(); } catch (Exception e) { System.out.println(e.getMessage()); } } public static Student getStudentDetails() { //creating the student object Student stdObj = new Student(); try { //creating the scanner class for reading console input Scanner sc = new Scanner(System.in); //reading all the student details and setting values to student object System.out.print("Please enter student name : "); stdObj.setStudName(sc.nextLine()); System.out.print("Please enter student number : "); stdObj.setStudNum(sc.nextInt()); System.out.print("Please enter student course taken : "); sc.nextLine(); stdObj.setCoursesTaken(sc.nextLine()); System.out.print("Please enter student mid term marks : "); stdObj.setMidtermMarks(sc.nextFloat()); System.out.print("Please enter student final term marks : "); stdObj.setFinalTermMarks(sc.nextFloat()); System.out.print("Please enter teacher comments: "); sc.nextLine(); stdObj.setTeachComments(sc.nextLine()); System.out.print("Please enter student final average with credits earned : "); stdObj.setFinalAvgWthCreEar(sc.nextFloat()); sc.close(); } catch (Exception e) { System.out.println("invalid input entered, Please enter proper values"); } //returning the student object return stdObj; } }
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
Related questions
Question
Please help me with these errors in java. Errors below
public class Student {
//student related variables
//for reading the student information
String studName;
int studNum;
String coursesTaken;
float midtermMarks;
float finalTermMarks;
String teachComments;
float finalAvgWthCreEar;
//setters and getters methods to the above fields
/**
* @return the studName
*/
public String getStudName() {
return studName;
}
/**
* @return the studNum
*/
public int getStudNum() {
return studNum;
}
/**
* @return the coursesTaken
*/
public String getCoursesTaken() {
return coursesTaken;
}
/**
* @return the midtermMarks
*/
public float getMidtermMarks() {
return midtermMarks;
}
/**
* @return the finalTermMarks
*/
public float getFinalTermMarks() {
return finalTermMarks;
}
/**
* @return the teachComments
*/
public String getTeachComments() {
return teachComments;
}
/**
* @return the finalAvgWthCreEar
*/
public float getFinalAvgWthCreEar() {
return finalAvgWthCreEar;
}
/**
* @param studName the studName to set
*/
public void setStudName(String studName) {
this.studName = studName;
}
/**
* @param studNum the studNum to set
*/
public void setStudNum(int studNum) {
this.studNum = studNum;
}
/**
* @param coursesTaken the coursesTaken to set
*/
public void setCoursesTaken(String coursesTaken) {
this.coursesTaken = coursesTaken;
}
/**
* @param midtermMarks the midtermMarks to set
*/
public void setMidtermMarks(float midtermMarks) {
this.midtermMarks = midtermMarks;
}
/**
* @param finalTermMarks the finalTermMarks to set
*/
public void setFinalTermMarks(float finalTermMarks) {
this.finalTermMarks = finalTermMarks;
}
/**
* @param teachComments the teachComments to set
*/
public void setTeachComments(String teachComments) {
this.teachComments = teachComments;
}
/**
* @param finalAvgWthCreEar the finalAvgWthCreEar to set
*/
public void setFinalAvgWthCreEar(float finalAvgWthCreEar) {
this.finalAvgWthCreEar = finalAvgWthCreEar;
}
}
SchoolInformation.java
package Examples;
import java.util.Scanner;
import java.sql.*;
public class SchoolInformation {
public static void main(String[] args) {
try {
//method calling for getting student details
Student stdObj = getStudentDetails();
//getting the mysql database connection
Class.forName("com.mysql.jdbc.Driver");
//3306 -- replace with your database port number
//test -- replace with your database name
//root -- replace with your database user name
//Root -- replace with your database password
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "Root");
//creating query string for inserting student data
String query = "insert into studentInfo(studName, studNum, coursesTaken, midtermMarks, finalTermMarks, teachComments,"
+ " finalAvgWthCreEar) \r\n"
+ "values(?, ?, ?, ?, ?, ?, ?)";
PreparedStatement preparedStmt = con.prepareStatement(query);
//setting the values to the prepared statement
preparedStmt.setString(1, stdObj.getStudName());
preparedStmt.setInt(2, stdObj.getStudNum());
preparedStmt.setString(3, stdObj.getCoursesTaken());
preparedStmt.setFloat(4, stdObj.getMidtermMarks());
preparedStmt.setFloat(5, stdObj.getFinalTermMarks());
preparedStmt.setString(6, stdObj.getTeachComments());
preparedStmt.setFloat(7, stdObj.getFinalAvgWthCreEar());
//executing the insert query
preparedStmt.execute();
System.out.println("Student Record is inserted successfully");
//closing the connection object
con.close();
} catch (Exception e) {
System.out.println(e.getMessage());
}
}
public static Student getStudentDetails() {
//creating the student object
Student stdObj = new Student();
try {
//creating the scanner class for reading console input
Scanner sc = new Scanner(System.in);
//reading all the student details and setting values to student object
System.out.print("Please enter student name : ");
stdObj.setStudName(sc.nextLine());
System.out.print("Please enter student number : ");
stdObj.setStudNum(sc.nextInt());
System.out.print("Please enter student course taken : ");
sc.nextLine();
stdObj.setCoursesTaken(sc.nextLine());
System.out.print("Please enter student mid term marks : ");
stdObj.setMidtermMarks(sc.nextFloat());
System.out.print("Please enter student final term marks : ");
stdObj.setFinalTermMarks(sc.nextFloat());
System.out.print("Please enter teacher comments: ");
sc.nextLine();
stdObj.setTeachComments(sc.nextLine());
System.out.print("Please enter student final average with credits earned : ");
stdObj.setFinalAvgWthCreEar(sc.nextFloat());
sc.close();
} catch (Exception e) {
System.out.println("invalid input entered, Please enter proper values");
}
//returning the student object
return stdObj;
}
}
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