Question

Can someone please help me?

Answer 1

When I try to run java program in jdk1.7.0_07
I get an error message saying
Main method not found in class Queue, please define the main method as
public static void main(String[] args)
I have defined t that way. I am unable to find the cause for this problem. Besides the same program runs perfectly in netbeans

Answer 2

Could you post Queue.java here?

Answer 3

Sure. It is actually Queue3.java
import java.io.*;
class Queue3
{
private int maxSize;
private char[] queueArr;
private int front;
private int rear;
private int nItems;

public Queue3(int s)
{
maxSize=s;
queueArr=new char[maxSize];
front=0;
rear=-1;
nItems=0;
}
public void insert(char letter)
{
if(rear==maxSize-1)
rear=-1;
queueArr[++rear]=letter;
nItems++;
}
public char remove()
{
char temp=queueArr[front++];
if(front==maxSize)
front=0;
nItems--;
return temp;
}
public char peekFront()
{
return queueArr[front];
}
public boolean isEmpty()
{
return (nItems==0);
}
public boolean isFull()
{
return (nItems==maxSize);
}
public int size()
{
return nItems;
}
}
class QueueApp3
{
public static void main(String[] args) throws IOException
{
BufferedReader keyboard = new BufferedReader
(new InputStreamReader(System.in));
int a;
int b;
String c;
int d;
System.out.print("Enter the size of the array:");
a=Integer.parseInt(keyboard.readLine());
Queue3 theQueue=new Queue3(a);
System.out.print("Enter the number of items to be inserted:");
b=Integer.parseInt(keyboard.readLine());
for(int i=1;i<=b;i++)
{

System.out.print("Enter the item:");
c=keyboard.readLine();
theQueue.insert(c.charAt(0));
}
System.out.print("Enter the number of items to be removed:");
d=Integer.parseInt(keyboard.readLine());
for(int k=1;k<=d;k++)
{
theQueue.remove();
}
System.out.print("Enter the number of items to be inserted:");
b=Integer.parseInt(keyboard.readLine());
for(int i=1;i<=b;i++)
{

System.out.print("Enter the item:");
c=keyboard.readLine();
theQueue.insert(c.charAt(0));
}
while(!theQueue.isEmpty())
{
char n=theQueue.remove();
System.out.print(n);
System.out.print(" ");
}
System.out.println(" ");
}
}

Answer 4

It works nw. Thanx a lot for tryng to help me @slotema

Answer 5

And another job well done... Wait... I didn't do much ;)

What was the problem?