debug for java problem please!

[buklu]

[minibois]

You have not declared 'num' and 'answer', so Java doesn't know them (or know what to do with them).

 

Declare them as an int and String respectively above.

 

(Also, in the future just look at the red underline and see what the error is)

[buklu]

4 minutes ago, Minibois said:

You have not declared 'num' and 'answer', so Java doesn't know them (or know what to do with them).

 

Declare them as an int and String respectively above.

 

(Also, in the future just look at the red underline and see what the error is)

rock the world

 

[Klemmbrett]

3 more small things you should close the Scanner (input.close();) and rename your class Test or some other more meaningful name, Classes always start with an Uppercase letter. Also its no necessity but in general its better practice to use {} brackets even if your if statement does only one instruction and therefore you don`t need, you should use them anyway.

[buklu]

27 minutes ago, Klemmbrett said:

3 more small things you should close the Scanner (input.close();) and rename your class Test or some other more meaningful name, Classes always start with an Uppercase letter. Also its no necessity but in general its better practice to use {} brackets even if your if statement does only one instruction and therefore you don`t need, you should use them anyway.

how do i rename test to Test?thanks

[Canada EH]

What is the problem at hand?

[buklu]

1 minute ago, Canada EH said:

What is the problem at hand?

[buklu]

7 minutes ago, Canada EH said:

What is the problem at hand?

[buklu]

[minibois]

You are assigning a value to 'larger'.

This statement is asking "is num1 bigger than num2?", if so: 'larger' will now hold the value of num1. Otherwise; the value of 'larger' is now num2.

 

https://en.wikipedia.org/wiki/%3F:#Java

It's kind of like an 'if statement' in 1 line.

 

So this statement will check the value of num1 and num2 and whichever is higher in value, will be assigned to 'larger'.

You could reverse the "bigger than" carrot thingy and call the 'larger' vairable now 'smaller' and it will now assign the smaller value to that variable.

[keskparane]

( num1 > num2) ? 

if num1 is greater than num2

num1 : num2;

then larger equals nium1 else larger equals num2

[camjocotem]

@buklu Just a helpful tip, for questions like these you'll ideally wanna put them in Software > Programming

[buklu]

46 minutes ago, Minibois said:

You are assigning a value to 'larger'.

This statement is asking "is num1 bigger than num2?", if so: 'larger' will now hold the value of num1. Otherwise; the value of 'larger' is now num2.

 

https://en.wikipedia.org/wiki/%3F:#Java

It's kind of like an 'if statement' in 1 line.

 

So this statement will check the value of num1 and num2 and whichever is higher in value, will be assigned to 'larger'.

You could reverse the "bigger than" carrot thingy and call the 'larger' vairable now 'smaller' and it will now assign the smaller value to that variable.

can you help me

[buklu]

23 minutes ago, camjocotem said:

@buklu Just a helpful tip, for questions like these you'll ideally wanna put them in Software > Programming

hello

[minibois]

Just now, buklu said:

can you help me

 

As it says in the error message; you can't place an int into a String variable.

an int a number (without decimals) and a String is text. Either change the 'larger' variable to an int, or convert your result to a string: http://javadevnotes.com/java-integer-to-string-examples

If you choose to take the 'making 'larger' an int' route, you will have to change the 'System.out.print' line to this:

//You can't just 'print' an int. Place the double quotes before the int variable will make the code understand you have to print it as a string
System.out.print(""+larger);

 

[buklu]

10 minutes ago, Minibois said:

As it says in the error message; you can't place an int into a String variable.

an int a number (without decimals) and a String is text. Either change the 'larger' variable to an int, or convert your result to a string: http://javadevnotes.com/java-integer-to-string-examples

If you choose to take the 'making 'larger' an int' route, you will have to change the 'System.out.print' line to this:

//You can't just 'print' an int. Place the double quotes before the int variable will make the code understand you have to print it as a string
System.out.print(""+larger);

 

[minibois]

2 minutes ago, buklu said:

 

Please stop posting screenshots of your code with no context, just ask what you are not understanding; it makes giving the advice much easier.

As  I said, either make the 'larger' variable an int or convert the int you want to place inside 'larger' to a String. Either or.

[buklu]

On 11/25/2018 at 7:38 PM, Minibois said:

Please stop posting screenshots of your code with no context, just ask what you are not understanding; it makes giving the advice much easier.

As  I said, either make the 'larger' variable an int or convert the int you want to place inside 'larger' to a String. Either or.

thank you

[minibois]

43 minutes ago, buklu said:

 

thank you

You have not declared 'grade'. 

[buklu]

19 hours ago, Minibois said:

You have not declared 'grade'. 

declare grade as char，what is the statement？please

[minibois]

2 hours ago, buklu said:

declare grade as char，what is the statement？please

https://www.tutorialspoint.com/java/java_characters.htm

[buklu]

2 minutes ago, Minibois said:

https://www.tutorialspoint.com/java/java_characters.htm

if you have time please check it out