Java Methods

**PseudoKiller** · March 29th, 2004

I need to...

Write a Java program with the following methods:

Named ‘first’ that will input a number and return it.
Named ‘second’ that will input a number and return it.
Named ‘small’ that will find the smaller of the two numbers and return it.

This is what I have so far...

Code:


import cs1.Keyboard; //this is used for Keyboard inputs
 
public class BigSmall
 
{
public static void main (String[] args)
{int num1, num2;
 
System.out.println ("Enter the first number ");
num1 = Keyboard.readInt();
 
System.out.println ("Enter the second number ");
num2 = Keyboard.readInt();
 
static int first (int num1)
{int a;
a = num1;
return a;
}
 
static int second (int num2)
{int b;
b = num2;
return b;
}
 
static int smaller (int a, int b)
{
if a < b;
 
return a;
}
 
}
}

**Zedric** · March 29th, 2004

Yes...? What's the question?

And what are the first two methods for? They do exactly nothing...

Looking again... Why are the methods inside main? Does that even compile?

**PseudoKiller** · March 29th, 2004

this is what I need to do... (it was the first thing in the post)

Write a Java program with the following methods:

Named ‘first’ that will input a number and return it.
Named ‘second’ that will input a number and return it.
Named ‘small’ that will find the smaller of the two numbers and return it.

ignore the code... it is in pieces and dosent do anything but its the building blocks I have so far

**Geffy** · March 30th, 2004

I dont really know how your cs1.Keyboard import object works so I wrote it up how would have done

PHP Code:


			
import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.io.IOException;



public class BigSmall {

    // setup the keyboard input object so we can get stuff

    // from that keyboard thinger

    private static BufferedReader iKeyboard

            = new BufferedReader(new InputStreamReader(System.in));



    public static void main(final String[] pArgs) throws IOException {

        int a = first();

        int b = second();

        int smaller = smaller(a,b);

        

        System.out.println("The Smaller of the two you entered is: " + smaller);

    }

    

    private static int first() throws IOException {

        System.out.print("Enter first Number: ");

        System.out.flush();

        final int first = Integer.parseInt(iKeyboard.readLine());

        

        return first;

    }

    

    private static int second() throws IOException {

        System.out.print("Enter second Number: ");

        System.out.flush();

        final int second = Integer.parseInt(iKeyboard.readLine());

        

        return second;

    }

    

    private static int smaller(final int first, final int second) {

        if (first < second) {

            return first;    // If the first one is smaller then return

        } else {

            // Otherwise if the second one is smaller return it

            // also if they are the same then return the second

            // cause they are the same ;)

            return second;    

        }

    }

}

**Sazar** · March 30th, 2004

name your int's as whatever they are... keep in mind I am just giving you a basic gist of the coding..

its also a little simpler than geffy's

Code:

 import cs1.Keyboard;

public class SmallNumber
{
//enter b.s. explanation here :)
//
public static void main (String[] args)
{
//declare ints
int first, second, small = 0;

System.out.println ("Enter 2 integers: ");

first = Keyboard.readInt();
second = Keyboard.readInt();

if (first < second)
small = first;
else
small = second;

System.out.println ("The smallest value is : " + small);
}
}

**PseudoKiller** · March 30th, 2004

you guys are the best. I needed it 2 hours ago but the good thing is no one in class even started it. I am now hoping I can get some extra credit with it. WAHOO!?!

**Sazar** · March 30th, 2004

yeehah... go us...

@ this rate pk's degree will belong to us

**PseudoKiller** · March 30th, 2004

well I am changing my major so unless you can do painting drawing and digital design, the degree will be mine... muhahahaha

**Sazar** · March 30th, 2004

you ungrateful @#$#@$!@# !!!!1

**PseudoKiller** · March 30th, 2004

yeah well my 2 year degree is now gonna take almost 3 years now. I am going into graphics and web design.

**Geffy** · March 30th, 2004

graphics and web design is more fun than Java I feel, I love doing web design as people can more easily appreciate the asthetic beauty in a nicely designed and usable website, but not many people can see beauty in Java code

**PseudoKiller** · March 30th, 2004

I used to do art work for a lot of years but gave it up when I found computers. It wasnt till recently I got a grip on PS7 and other graphics programs ... much more fun than Java and easier for me.

**X-Istence** · March 30th, 2004

Hrm, i like Geffy's better, it at least compiles and works with gjc, i dun know what cs1.importkeyboard.crap is.

**X-Istence** · March 30th, 2004

PHP Code:


			
 import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.io.IOException;



public class BigSmall {

    // setup the keyboard input object so we can get stuff

    // from that keyboard thinger

    private static BufferedReader iKeyboard

            = new BufferedReader(new InputStreamReader(System.in));



    public static void main(final String[] pArgs) throws IOException {

        

        System.out.println("The Smaller of the two you entered is: " + smaller(first(),second()));

    }

    

    private static int first() throws IOException {

        System.out.print("Enter first Number: ");

        System.out.flush();

        

        return Integer.parseInt(iKeyboard.readLine());

    }

    

    private static int second() throws IOException {

        System.out.print("Enter second Number: ");

        System.out.flush();

                

        return Integer.parseInt(iKeyboard.readLine());

    }

    

    private static int smaller(final int first, final int second) {

        if (first < second) {

            return first;    // If the first one is smaller then return

        } else {

            // Otherwise if the second one is smaller return it

            // also if they are the same then return the second

            // cause they are the same ;)

            return second;    

        }

    }

}

Remove some excess memory allocations, untested, and it is basically Geffy's. Its my C++ instincts, do not allocate memory unless its absolutely needed.

**Geffy** · March 30th, 2004

yeah, bit neater that, the smaller() call looks slightly more confusing I can picture my Java Lecturer saying, but it does all compile and run on java sdk 1.4.2

**X-Istence** · March 30th, 2004

Doesnt look confusing at all. But then again i am used to nesting a lot of calls in one.

**Sazar** · March 30th, 2004

what aboot mine?

it does the task w/o all teh crap...

**X-Istence** · March 31st, 2004

Geffy's is strict java, as in it will compile on any Java, yours uses some special keyboard library.

**Sazar** · March 31st, 2004

Originally Posted by X-Istence

Geffy's is strict java, as in it will compile on any Java, yours uses some special keyboard library.

I used it since obviously pk is using it

**Geffy** · March 31st, 2004

I just dunno how that cs1.keyboard thinger works or how the code is setup so I tend to use my own, I have been thinking of rolling my own Keyboard, and so on classes though

March 29th, 2004	Top \| #1
PseudoKiller Zug Zug Joined: April 2002 Location: Ice Crown Citadel Posts: 3,858 Reputation: 490 Power: 162	Java Methods I need to... Write a Java program with the following methods: Named ‘first’ that will input a number and return it. Named ‘second’ that will input a number and return it. Named ‘small’ that will find the smaller of the two numbers and return it. This is what I have so far... Code: import cs1.Keyboard; //this is used for Keyboard inputs public class BigSmall { public static void main (String[] args) {int num1, num2; System.out.println ("Enter the first number "); num1 = Keyboard.readInt(); System.out.println ("Enter the second number "); num2 = Keyboard.readInt(); static int first (int num1) {int a; a = num1; return a; } static int second (int num2) {int b; b = num2; return b; } static int smaller (int a, int b) { if a < b; return a; } } } )\|( I reject your reality and substitute my own )\|(

March 29th, 2004	Top \| #2
Zedric NTFS Guru Joined: January 2002 Location: Sweden Posts: 4,006 Reputation: 890 Power: 171	Yes...? What's the question? And what are the first two methods for? They do exactly nothing... Looking again... Why are the methods inside main? Does that even compile? Did I help you? Please use the reputation system. Click the icon on the left! Proud host of the OSNN.net folding sigs. Want one? Check the folding thread! http://zedric.no-ip.com/

March 29th, 2004	Top \| #3
PseudoKiller Zug Zug Joined: April 2002 Location: Ice Crown Citadel Posts: 3,858 Reputation: 490 Power: 162	this is what I need to do... (it was the first thing in the post) Write a Java program with the following methods: Named ‘first’ that will input a number and return it. Named ‘second’ that will input a number and return it. Named ‘small’ that will find the smaller of the two numbers and return it. ignore the code... it is in pieces and dosent do anything but its the building blocks I have so far )\|( I reject your reality and substitute my own )\|(

March 30th, 2004	Top \| #4
Geffy OSNN Veteran Addict Joined: March 2002 Location: United Kingdom Posts: 7,805 Reputation: 1490 Power: 213	I dont really know how your cs1.Keyboard import object works so I wrote it up how would have done PHP Code: import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; public class BigSmall { // setup the keyboard input object so we can get stuff // from that keyboard thinger private static BufferedReader iKeyboard = new BufferedReader(new InputStreamReader(System.in)); public static void main(final String[] pArgs) throws IOException { int a = first(); int b = second(); int smaller = smaller(a,b); System.out.println("The Smaller of the two you entered is: " + smaller); } private static int first() throws IOException { System.out.print("Enter first Number: "); System.out.flush(); final int first = Integer.parseInt(iKeyboard.readLine()); return first; } private static int second() throws IOException { System.out.print("Enter second Number: "); System.out.flush(); final int second = Integer.parseInt(iKeyboard.readLine()); return second; } private static int smaller(final int first, final int second) { if (first < second) { return first; // If the first one is smaller then return } else { // Otherwise if the second one is smaller return it // also if they are the same then return the second // cause they are the same ;) return second; } } }  • blog • tumblog • lastfm • flickr • #rubyonrails • @twitter "I could be replaced with a very small shell script"

March 30th, 2004	Top \| #5
Sazar F@H - Is it in you? Joined: April 2002 Location: Between Austin and Tampa Posts: 14,880 Reputation: 4110 Power: 309	name your int's as whatever they are... keep in mind I am just giving you a basic gist of the coding.. its also a little simpler than geffy's Code: import cs1.Keyboard; public class SmallNumber { //enter b.s. explanation here :) // public static void main (String[] args) { //declare ints int first, second, small = 0; System.out.println ("Enter 2 integers: "); first = Keyboard.readInt(); second = Keyboard.readInt(); if (first < second) small = first; else small = second; System.out.println ("The smallest value is : " + small); } } Help to find cures for Alzheimer's, Mad Cow (BSE), CJD, ALS, Huntington's, Parkinson's disease, and many Cancers. Folding@Home, is it in you?

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March 30th, 2004	Top \| #6
PseudoKiller Zug Zug Joined: April 2002 Location: Ice Crown Citadel Posts: 3,858 Reputation: 490 Power: 162	you guys are the best. I needed it 2 hours ago but the good thing is no one in class even started it. I am now hoping I can get some extra credit with it. WAHOO!?! )\|( I reject your reality and substitute my own )\|(

March 30th, 2004	Top \| #7
Sazar F@H - Is it in you? Joined: April 2002 Location: Between Austin and Tampa Posts: 14,880 Reputation: 4110 Power: 309	yeehah... go us... @ this rate pk's degree will belong to us Help to find cures for Alzheimer's, Mad Cow (BSE), CJD, ALS, Huntington's, Parkinson's disease, and many Cancers. Folding@Home, is it in you?

March 30th, 2004	Top \| #8
PseudoKiller Zug Zug Joined: April 2002 Location: Ice Crown Citadel Posts: 3,858 Reputation: 490 Power: 162	well I am changing my major so unless you can do painting drawing and digital design, the degree will be mine... muhahahaha )\|( I reject your reality and substitute my own )\|(

March 30th, 2004	Top \| #9
Sazar F@H - Is it in you? Joined: April 2002 Location: Between Austin and Tampa Posts: 14,880 Reputation: 4110 Power: 309	you ungrateful @#$#@$!@# !!!!1 Help to find cures for Alzheimer's, Mad Cow (BSE), CJD, ALS, Huntington's, Parkinson's disease, and many Cancers. Folding@Home, is it in you?

March 30th, 2004	Top \| #10
PseudoKiller Zug Zug Joined: April 2002 Location: Ice Crown Citadel Posts: 3,858 Reputation: 490 Power: 162	yeah well my 2 year degree is now gonna take almost 3 years now. I am going into graphics and web design. )\|( I reject your reality and substitute my own )\|(

March 30th, 2004	Top \| #11
Geffy OSNN Veteran Addict Joined: March 2002 Location: United Kingdom Posts: 7,805 Reputation: 1490 Power: 213	graphics and web design is more fun than Java I feel, I love doing web design as people can more easily appreciate the asthetic beauty in a nicely designed and usable website, but not many people can see beauty in Java code  • blog • tumblog • lastfm • flickr • #rubyonrails • @twitter "I could be replaced with a very small shell script"

March 30th, 2004	Top \| #12
PseudoKiller Zug Zug Joined: April 2002 Location: Ice Crown Citadel Posts: 3,858 Reputation: 490 Power: 162	I used to do art work for a lot of years but gave it up when I found computers. It wasnt till recently I got a grip on PS7 and other graphics programs ... much more fun than Java and easier for me. )\|( I reject your reality and substitute my own )\|(

March 30th, 2004	Top \| #13
X-Istence * Joined: December 2001 Location: USA Posts: 6,490 Reputation: 2808 Power: 217	Hrm, i like Geffy's better, it at least compiles and works with gjc, i dun know what cs1.importkeyboard.crap is. My blog!

March 30th, 2004	Top \| #14
X-Istence * Joined: December 2001 Location: USA Posts: 6,490 Reputation: 2808 Power: 217	PHP Code: import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; public class BigSmall { // setup the keyboard input object so we can get stuff // from that keyboard thinger private static BufferedReader iKeyboard = new BufferedReader(new InputStreamReader(System.in)); public static void main(final String[] pArgs) throws IOException { System.out.println("The Smaller of the two you entered is: " + smaller(first(),second())); } private static int first() throws IOException { System.out.print("Enter first Number: "); System.out.flush(); return Integer.parseInt(iKeyboard.readLine()); } private static int second() throws IOException { System.out.print("Enter second Number: "); System.out.flush(); return Integer.parseInt(iKeyboard.readLine()); } private static int smaller(final int first, final int second) { if (first < second) { return first; // If the first one is smaller then return } else { // Otherwise if the second one is smaller return it // also if they are the same then return the second // cause they are the same ;) return second; } } } Remove some excess memory allocations, untested, and it is basically Geffy's. Its my C++ instincts, do not allocate memory unless its absolutely needed. My blog!

March 30th, 2004	Top \| #15
Geffy OSNN Veteran Addict Joined: March 2002 Location: United Kingdom Posts: 7,805 Reputation: 1490 Power: 213	yeah, bit neater that, the smaller() call looks slightly more confusing I can picture my Java Lecturer saying, but it does all compile and run on java sdk 1.4.2  • blog • tumblog • lastfm • flickr • #rubyonrails • @twitter "I could be replaced with a very small shell script"

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March 30th, 2004	Top \| #16
X-Istence * Joined: December 2001 Location: USA Posts: 6,490 Reputation: 2808 Power: 217	Doesnt look confusing at all. But then again i am used to nesting a lot of calls in one. My blog!

March 30th, 2004	Top \| #17
Sazar F@H - Is it in you? Joined: April 2002 Location: Between Austin and Tampa Posts: 14,880 Reputation: 4110 Power: 309	what aboot mine? it does the task w/o all teh crap... Help to find cures for Alzheimer's, Mad Cow (BSE), CJD, ALS, Huntington's, Parkinson's disease, and many Cancers. Folding@Home, is it in you?

March 31st, 2004	Top \| #18
X-Istence * Joined: December 2001 Location: USA Posts: 6,490 Reputation: 2808 Power: 217	Geffy's is strict java, as in it will compile on any Java, yours uses some special keyboard library. My blog!

March 31st, 2004	Top \| #19
Sazar F@H - Is it in you? Joined: April 2002 Location: Between Austin and Tampa Posts: 14,880 Reputation: 4110 Power: 309	Originally Posted by X-Istence Geffy's is strict java, as in it will compile on any Java, yours uses some special keyboard library. I used it since obviously pk is using it Help to find cures for Alzheimer's, Mad Cow (BSE), CJD, ALS, Huntington's, Parkinson's disease, and many Cancers. Folding@Home, is it in you?

March 31st, 2004	Top \| #20
Geffy OSNN Veteran Addict Joined: March 2002 Location: United Kingdom Posts: 7,805 Reputation: 1490 Power: 213	I just dunno how that cs1.keyboard thinger works or how the code is setup so I tend to use my own, I have been thinking of rolling my own Keyboard, and so on classes though  • blog • tumblog • lastfm • flickr • #rubyonrails • @twitter "I could be replaced with a very small shell script"