Quick question: Java command

[AgaBoogaBoo]

What the command name for looking at a string and taking 1 letter out to put into another string?

Such as a string with this value: bob
and I set it to pull from 0 to 1 or something so it set another string, say s1 to equal "b"

If you must know, I left the packet at school 😛

 

[EyeMWing]

A character? String.charAt(int index) (Where first letter is index 0)
A substring? String.subString(int beginIndex) or String.subString(int beginIndex, int endIndex) depending on whether you want the rest of the string or have a definite endpoint.

 

[Gibson486]

command? doesn't that just require a very simple algorithmn?

 

[EngenZerO]

Originally posted by: EyeMWing
A character? String.charAt(int index) (Where first letter is index 0)
A substring? String.subString(int beginIndex) or String.subString(int beginIndex, int endIndex) depending on whether you want the rest of the string or have a definite endpoint.

oh these have come in soo handy for our mock assembler

do google search for Java 1.4.2 API

 

[ScottyB]

Just put in a line to count how many letters are in the original string, then grab that number -1, say [4] and then make your new string with that letter string newLetter = stringOrig [4]

 

[Ameesh]

use stringbuilder if you are going to do it a lot cause strings are immutable

 

[FeathersMcGraw]

You either want charAt(int position) or substring(int start, int end).

 

[FeathersMcGraw]

Originally posted by: Ameesh
use stringbuilder if you are going to do it a lot cause strings are immutable

Is StringBuilder part of the MS Java library? 😉 I think you meant StringBuffer.

 

[Gibson486]

Is StringBuilder part of the MS Java library? I think you meant StringBuffer

I was thinking the same thing🙂

 

[Zugzwang152]

Originally posted by: AgaBooga
What the command name for looking at a string and taking 1 letter out to put into another string?

Such as a string with this value: bob
and I set it to pull from 0 to 1 or something so it set another string, say s1 to equal "b"

If you must know, I left the packet at school 😛

keep in mind, charAt() returns a char, if you want a 1 letter String result, you should use substring().

 

[Ameesh]

Originally posted by: FeathersMcGraw

Originally posted by: Ameesh
use stringbuilder if you are going to do it a lot cause strings are immutable

Is StringBuilder part of the MS Java library? 😉 I think you meant StringBuffer.

its what its called in .NET but they both are equivilant

 

[AgaBoogaBoo]

import java.io.*;

public class cooneylikes
{
public static void main(String[] args) throws IOException
{
BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in)); //Buffered Reader

System.out.print("Does Cooney Like: ");
String strInput = dataIn.readLine();

String strChar1 = strInput.charAt(0);
System.out.println(strChar1);
}
}

Thats my code so far, right now its just the basic setup, so none of the actual processing yet. But, I get an error for the line with charAt(0);

Here is the error:

found : char
required: java.lang.String
String strChar1 = strInput.charAt(0);

 

[Ameesh]

Originally posted by: AgaBooga

import java.io.*;

public class cooneylikes
{
public static void main(String[] args) throws IOException
{
BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in)); //Buffered Reader

System.out.print("Does Cooney Like: ");
String strInput = dataIn.readLine();

String strChar1 = strInput.charAt(0);
System.out.println(strChar1);
}
}

Thats my code so far, right now its just the basic setup, so none of the actual processing yet. But, I get an error for the line with charAt(0);

Here is the error:

found : char
required: java.lang.String
String strChar1 = strInput.charAt(0);

if your class name has a verb in it your design is poor

 

[Ameesh]

Originally posted by: AgaBooga

import java.io.*;

public class cooneylikes
{
public static void main(String[] args) throws IOException
{
BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in)); //Buffered Reader

System.out.print("Does Cooney Like: ");
String strInput = dataIn.readLine();

String strChar1 = strInput.charAt(0);
System.out.println(strChar1);
}
}

Thats my code so far, right now its just the basic setup, so none of the actual processing yet. But, I get an error for the line with charAt(0);

Here is the error:

found : char
required: java.lang.String
String strChar1 = strInput.charAt(0);

if your class name has a verb in it your design is poor

 

[Ameesh]

Originally posted by: AgaBooga

import java.io.*;

public class cooneylikes
{
public static void main(String[] args) throws IOException
{
BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in)); //Buffered Reader

System.out.print("Does Cooney Like: ");
String strInput = dataIn.readLine();

String strChar1 = strInput.charAt(0);
System.out.println(strChar1);
}
}

Thats my code so far, right now its just the basic setup, so none of the actual processing yet. But, I get an error for the line with charAt(0);

Here is the error:

found : char
required: java.lang.String
String strChar1 = strInput.charAt(0);

if your class name has a verb in it your design is poor

 

[Ameesh]

goddamn reposts

 

[FeathersMcGraw]

Originally posted by: AgaBooga

found : char
required: java.lang.String
String strChar1 = strInput.charAt(0);

It's already been pointed out that charAt() returns char, not String. Use substring(index, index+1), or create a new String object using String.valueOf(char).

 

[AgaBoogaBoo]

Well, like I said, right now its just the basics to get the bones of it working. I'll go through and do all that stuff once I get the basic structure created. Do you have any idea about the error though?

 

[Ameesh]

since java is soo awsome you can do something like:

System.out.println(strChar1); --> System.out.println(new Character(strChar1).toString()); //proper java way of doing that 😉

 

[EyeMWing]

Originally posted by: AgaBooga
Well, like I said, right now its just the basics to get the bones of it working. I'll go through and do all that stuff once I get the basic structure created. Do you have any idea about the error though?

That IS the error. You're trying to initialize a String with a character. Try initializing it as follows:
String strChar1 = "" + strInput.charAt(0);

instead of
String strChar1 = strInput.charAt(0);

You need a literal string before you can add any characters to it. The "" serves as a literal string in this case, thus bypassing the error and your stupidity.

 

[Ameesh]

where is notfred to show us how awsome chomp is?

 

[AgaBoogaBoo]

Originally posted by: Zugzwang152

Originally posted by: AgaBooga
What the command name for looking at a string and taking 1 letter out to put into another string?

Such as a string with this value: bob
and I set it to pull from 0 to 1 or something so it set another string, say s1 to equal "b"

If you must know, I left the packet at school 😛

keep in mind, charAt() returns a char, if you want a 1 letter String result, you should use substring().

I'd prefer to have it return a char right now, but how would I do that?

Is there another type for a single character or do I just use a string? How would I fix it using charAt?

What I basically need the program to do is take an inputted word and check to see if it has any two letters the same right next to each other, like the l's in fall, or the o's in books. If it does, output that the guy likes it otherwise that he doesn't like it.

 

[AgaBoogaBoo]

nm, problem fixed