tag:blogger.com,1999:blog-694855878384792308.post8639137869119265493..comments2024-03-21T06:26:49.387-07:00Comments on Java67: How to fix "illegal start of expression" error in Java? Examplejavin paulhttp://www.blogger.com/profile/15028902221295732276noreply@blogger.comBlogger78125tag:blogger.com,1999:blog-694855878384792308.post-39946936731344768432023-04-21T01:31:41.133-07:002023-04-21T01:31:41.133-07:00any idea guys
import java.util.Scanner;
public ...any idea guys <br /><br />import java.util.Scanner;<br /><br />public class addTwo {<br /><br />public static void main(String[] args) {<br />// TODO Auto-generated method stub<br /><br />Scanner s = new Scanner(System.in); // get info from user<br />int a = 0, b = 0,c = 0;<br /><br />System.out.println("Enter number 1 :");<br />a = s.nextInt(); // get whole number<br /><br />System.out.println("Enter number 2 :");<br />b = s.nextInt(); // get whole number<br /><br />c = addition(a, b);<br /><br />System.out.println("The addition is " + c);<br />}<br /><br />private static int addition(int x, int y) {<br />int answer = 0;<br /><br />answer = x + y;<br /><br />return (answer);<br />}<br /><br />}<br /><br /><br />_tester__.java:3: error: illegal start of type<br /> import java.util.Scanner;<br /> ^<br />__tester__.java:3: error: expected<br /> import java.util.Scanner;<br /> ^<br />2 errors<br /><br /><br />i have to remove main package to run on college practice tester <br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-40817134580684156032023-04-21T01:24:55.340-07:002023-04-21T01:24:55.340-07:00Hi I'm reading this I don't know how to in...Hi I'm reading this I don't know how to interpret it to my problem , the code I have runs fine in eclipse, but when I run it in my college practice checker , it spits out the following error..<br />Syntax Error(s)<br />__tester__.java:4: error: illegal start of type<br />import java.util.Scanner;<br />^<br />__tester__.java:4: error: expected<br />import java.util.Scanner;<br /> ^<br />2 errors<br /><br /><br /><br />import java.util.Scanner;<br /><br />public class addTwo {<br /><br />public static void main(String[] args) {<br />// TODO Auto-generated method stub<br /><br />Scanner s = new Scanner(System.in); // get info from user<br />int a = 0, b = 0,c = 0;<br /><br />System.out.println("Enter number 1 :");<br />a = s.nextInt(); // get whole number<br /><br />System.out.println("Enter number 2 :");<br />b = s.nextInt(); // get whole number<br /><br />c = addition(a, b);<br /><br />System.out.println("The addition is " + c);<br />}<br /><br />private static int addition(int x, int y) {<br />int answer = 0;<br /><br />answer = x + y;<br /><br />return (answer);<br />}<br /><br />}<br /><br /><br />any help appreciated greatly (please note you have to cut package main; before entering into checker) thanks <br /><br /><br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-41113552373516405302023-01-23T23:13:29.496-08:002023-01-23T23:13:29.496-08:00You can just copy paste this code into any IDE or ...You can just copy paste this code into any IDE or online Java compiler it can easily point out the place. <br /><br />Here is the error I got when I compiled the code:<br />javac /tmp/BOfk32DEzG/main.java<br />/tmp/BOfk32DEzG/main.java:20: error: class expected<br /> } else if (question.tostring[].contains("How did you overcome those?")) {<br />^<br />/tmp/BOfk32DEzG/main.java:20: error: ')' expected<br /> } else if (question.tostring[].contains("How did you overcome those?")) {<br /> ^<br />/tmp/BOfk32DEzG/main.java:20: error: ';' expected<br /> } else if (question.tostring[].contains("How did you overcome those?")) {<br /> ^<br />/tmp/BOfk32DEzG/main.java:22: error: 'else' without 'if'<br /> } else if (commands.equals("Goods to hear! exit!")) {<br />^<br />4 errors<br /><br />And when I looked at line 20, I found that there are two closing parentheses "))" that was the problem, just remove one parenthesis and it will work. javin paulhttps://www.blogger.com/profile/15028902221295732276noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-87057384129520209702023-01-23T03:16:06.586-08:002023-01-23T03:16:06.586-08:00Can you help me to know what's mistake in my c...Can you help me to know what's mistake in my code?<br /><br />package chatbot;<br /><br />import java.util.Scanner;<br /><br />public class main {<br /><br /> public static void main(String[] args) {<br /> <br /> System.out.println("Welcome to the chatbot");<br /> while (true) {<br /> <br /> Scanner sc = new scanner (System.in);<br /> <br /> if (commands.equals ("Greet the prof")) {<br /> System.out.println("Hello Sir");<br /> }<br /> else if (commands.equals ("How's the task?")) {<br /> System.out.println("Honestly Sir, Its a bit difficult sir! especially if you don't have laptop");<br /> }<br /> else if (commands.equals ("So how did you make it?")) {<br /> System.out.println("I do more research, watched some vedios on how to do it"); <br /> }<br /> else if (question.tostring[].contains ("How did you overcome those?")) {<br /> System.out.println("Stay calm, more patient, motivate my self and follow the step");<br /> }<br /> else if (commands.equals ("Goods to hear! exit!")) {<br /> System.exit(0);<br /> }<br /> }<br /><br /> }<br /><br />}<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-374389300712034782022-05-30T07:00:03.031-07:002022-05-30T07:00:03.031-07:00How can I get this java script off my phone and wh...How can I get this java script off my phone and who installed it Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-14903714083630607592022-05-18T21:46:53.358-07:002022-05-18T21:46:53.358-07:00Yes, please go ahead, I will try to answer if I ca...Yes, please go ahead, I will try to answer if I can javin paulhttps://www.blogger.com/profile/15028902221295732276noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-64372483804468406042022-05-17T20:56:19.397-07:002022-05-17T20:56:19.397-07:00Can i ask questions Can i ask questions Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-23761674750777708012022-03-24T13:19:25.796-07:002022-03-24T13:19:25.796-07:00What if the main problem is the public static void...What if the main problem is the public static void main(string args)Anonymoushttps://www.blogger.com/profile/07213165999856534182noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-36964230853483576972021-10-15T21:26:51.654-07:002021-10-15T21:26:51.654-07:00//Employee.java
public class Employee {
{
private...//Employee.java<br />public class Employee {<br />{<br /> private String name;<br /> public Employee(String name) <br /> {<br /> this.name=name;<br /> }<br /> //Method to set name value<br /> public void setName(String name)<br /> {<br /> this.name=name;<br /> }<br /> //Method to get the name as return value<br /> public String getName()<br /> {<br /> return name;<br /> }<br /><br />}//end of the Employee<br />Anonymoushttps://www.blogger.com/profile/11563483022843153044noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-5337143045127520762021-10-15T21:26:36.754-07:002021-10-15T21:26:36.754-07:00//Employee.java
public class Employee {
{
private...//Employee.java<br />public class Employee {<br />{<br /> private String name;<br /> public Employee(String name) <br /> {<br /> this.name=name;<br /> }<br /> //Method to set name value<br /> public void setName(String name)<br /> {<br /> this.name=name;<br /> }<br /> //Method to get the name as return value<br /> public String getName()<br /> {<br /> return name;<br /> }<br /><br />}//end of the Employee<br />nicolenoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-36731270869164992062021-09-28T08:26:07.902-07:002021-09-28T08:26:07.902-07:00class MyClass {
{
static int add(int ...class MyClass {<br /> {<br /> static int add(int x ,int y)<br /> {<br /> while(y!=0)<br /> {<br /> int carry =x&y;<br /> x=x^y;<br /> }<br /> return x;<br /> }<br /> public static void main(String args[])<br /> {<br /> int a= 4;<br /> int b= 5;<br /> System.out.println("a+b is " + add (a,b));<br /> }<br />}javac /tmp/faJtvS5Mqr/MyClass.java<br />/tmp/faJtvS5Mqr/MyClass.java:3: error: illegal start of expression<br />static int add(int x ,int y)<br /> ^<br />1 error<br /><br />ttmhttps://www.blogger.com/profile/11868994422973565451noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-8875740394922224472021-09-15T12:57:52.588-07:002021-09-15T12:57:52.588-07:00I think it's because you ended the code after ...I think it's because you ended the code after the first two println's you need to move your curly brace to the end of the program for it to work. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-61205612779596296652021-07-31T21:07:24.878-07:002021-07-31T21:07:24.878-07:00Even I need 1 help
What is the mistake in
System o...Even I need 1 help<br />What is the mistake in<br />System out.println(array P is);<br />for(int i=0;<odd;I++)<br />{<br />System.out.println(P[i]+--);<br />}Anonymoushttps://www.blogger.com/profile/10483057259372040633noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-61201813151933383652021-05-14T15:28:27.418-07:002021-05-14T15:28:27.418-07:00Hey can you guys help me out?
This is the code:
...Hey can you guys help me out? <br /><br />This is the code:<br /><br /><br />//import javax.swing.JFrame;<br />//import java.awt.*;<br />//import java.awt.event.*;<br />//import javax.swing.*;<br /><br />public class PersonalSlideShowRunner extends JFrame <br />{<br /> private static final int WIDTH = 1000;<br /> private static final int HEIGHT = 800;<br /><br /> public PersonalSlideShowRunner()<br /> {<br /> super("Personal Slide Show");<br /><br /> setSize(WIDTH,HEIGHT);<br /><br /> getContentPane().add(new PersonalSlideShow());<br /> <br /><br /> <br /> setVisible(true);<br /><br /> setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br /> }<br /><br /> public static void main( String args[] )<br /> {<br /> PersonalSlideShowRunner run = new PersonalSlideShowRunner();<br /> }<br />}<br /><br /><br />And this is the error:<br /><br />PersonalSlideShowRunner.java:21: error: cannot find symbol<br /> getContentPane().add(new PersonalSlideShow());<br /> ^<br /> symbol: class PersonalSlideShow<br /> location: class PersonalSlideShowRunner<br />1 error<br /><br />Thank you!Anonymoushttps://www.blogger.com/profile/03789568471824388843noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-61345217890817627732021-01-27T20:25:48.189-08:002021-01-27T20:25:48.189-08:00Code is incomplete, public Milestone2_RecipeTest a...Code is incomplete, public Milestone2_RecipeTest addNewRecipe(){ --- all the code for this method is not present. javin paulhttps://www.blogger.com/profile/15028902221295732276noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-27776862641302480342021-01-24T13:04:42.474-08:002021-01-24T13:04:42.474-08:00Hi, Your site is great but I'm not sure what I...Hi, Your site is great but I'm not sure what I'm looking for. I can't figure this error out. Here is the code<br /><br />/*<br /> * To change this license header, choose License Headers in Project Properties.<br /> * To change this template file, choose Tools | Templates<br /> * and open the template in the editor.<br /> */<br />package recipetest;<br />/**<br /> *<br /> * @author 1580704_snhu<br /> */<br /><br />public class Milestone2_RecipeTest {<br />public Milestone2_RecipeTest addNewRecipe(){<br />public printRecipeTest();<br /> <br /> /**<br /> * @param args the command line arguments<br /> */<br /> <br /> public static void main(String[] args) {<br /> // TODO code application logic here <br /> <br /> final Milestone2_RecipeTest newRecipe = new Milestone2_RecipeTest(); //Constructor to Create new Recipe (calls other class)<br /> <br /> Milestone2_RecipeTest addNewRecipe = newRecipe.addNewRecipe(); //Invoke addNewRecipe()<br /> <br /> newRecipe.printRecipeTest(); //Access printReciope()<br /> <br /> }<br />}<br /><br />Here is the error<br />Exception in thread "main" java.lang.RuntimeException: Uncompilable source code - missing return statementAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-64150059799488782902020-12-06T19:21:33.182-08:002020-12-06T19:21:33.182-08:00you don't need to put ("Not positive: NUM...you don't need to put ("Not positive: NUM"), remove the bracket "Not positive: NUM" and it will be ok. In Java string is anything inside double quotes and you can directly return them, no need of bracket or parenthesis. javin paulhttps://www.blogger.com/profile/15028902221295732276noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-12358327563677142572020-12-05T11:17:02.699-08:002020-12-05T11:17:02.699-08:00Hi, can you help with his code, it returns the err...Hi, can you help with his code, it returns the error, "illegal start of expression <br /><br />public class PositiveNumber extends NumberValidator {<br /><br />protected boolean numberValid(int number) { if (number > 0) {return true; }<br /><br />protected String numberInvalidMessage(int number) { if (number > 0) {return ("Not positive: NUM"); }<br /> }<br />}Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-20074174254931508892020-12-03T16:19:30.684-08:002020-12-03T16:19:30.684-08:00Hello, can you help with this code?
protected Stri...Hello, can you help with this code?<br />protected String numberInvalidMessage(int number) {return String ("Not positive: NUM");}<br /> }<br />It says that its an "illegal start of expression".Anonymoushttps://www.blogger.com/profile/07745739042759292382noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-13222445220386197352020-11-17T09:03:26.404-08:002020-11-17T09:03:26.404-08:00Hi. Can you help me to fix my java? I'm using ...Hi. Can you help me to fix my java? I'm using jdoodle.com . It said illegal start of expression . Nurulhttps://www.blogger.com/profile/16009209786816770236noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-46120597080172179112020-10-27T18:50:48.560-07:002020-10-27T18:50:48.560-07:00Poor Javin got flooded by help requests. Poor Javin got flooded by help requests. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-49162639965620848192020-10-12T08:18:11.723-07:002020-10-12T08:18:11.723-07:00good to hear that you fixed the problem yourself. ...good to hear that you fixed the problem yourself. javin paulhttps://www.blogger.com/profile/15028902221295732276noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-9421226695715712022020-10-09T11:12:00.889-07:002020-10-09T11:12:00.889-07:00It's okay I fixed it. I had some more errors a...It's okay I fixed it. I had some more errors after doing so but I fixed those too.<br />Thanks anyway!Anonymoushttps://www.blogger.com/profile/17103674751915266109noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-72290971818149872372020-10-08T21:29:35.734-07:002020-10-08T21:29:35.734-07:00What is your objective? Anyway, your variables are...What is your objective? Anyway, your variables are local so you can't really access them outside the method they are declared, I mean main. Declare them outside main() method and try again. javin paulhttps://www.blogger.com/profile/15028902221295732276noreply@blogger.comtag:blogger.com,1999:blog-694855878384792308.post-65212109450497965862020-10-08T21:26:07.808-07:002020-10-08T21:26:07.808-07:00remove double total=;
^
1 error from top of the fi...remove double total=;<br />^<br />1 error from top of the file and compile again. javin paulhttps://www.blogger.com/profile/15028902221295732276noreply@blogger.com