Re: Brand new to Java student

From:
"Sandy" <sandy@murdocks.on.ca>
Newsgroups:
comp.lang.java.help
Date:
28 Jan 2007 11:46:26 -0800
Message-ID:
<1170013586.129674.298420@k78g2000cwa.googlegroups.com>
Solved my own problem. Thanks for looking though.

I found that there is a 'string.equals' function. Who'd have thought
it!

On Jan 28, 2:24 pm, "Sandy" <s...@murdocks.on.ca> wrote:

I am taking a course and we are using Java as our language. I haven't
used Java before so I am VERY new.

I have an application that I am writing that gets a string from user
input (called type). If the value of the string is "C" then I am
simply trying to recognize that so that I can make 'decisions'.

For some reason I cannot figure out how to tell what the 'value' of
the string is, although I can use the string. Here is my code:

<code>
public void actionPerformed(ActionEvent e)
     {
        if(e.getSource() == submit)
        {
                startTemp = Double.valueOf(inField.getText()).doubleValue();
                String type = new String();
                type= inType.getText().toUpperCase().trim();
                display.append(type);

                if(type == "C" || type == "c")
                {
                        display.append("Celsius");
                }
        }
     }
</code>

the line: display.append(type);
works. It adds what ever is typed into the box to the text area. the
code in the if statement never executes.

I figure what ever I am doing wrong is probably stupid simple... but I
have never used Java so I don't see it. (Note I started with a case
statement only to find that you cannot do that with strings...)

Thanks for your help.

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