Thread: please help me with this I don't know where is my problem.

import java.swing.*;
import java.math.*;
public class KonvertoMatricenNeVektor {

public static void main(String[] args)
{int a =new Integer (JOptionPane.showInputDialog("Jepni numrin e rreshtave")).intValue();
int b= new Integer(JOptionPane.showInputDialog("Jepni numrin e shtyllave")).intValue();
int matrica [][]=new int [a][b];
for(int i=0; i<b; i++)
{for(int j=0; j<a; j++)
matrica[i][j]=(int) ((int) Math.random()*10);
vektor(matrica);}}
public static void vektor(int[][]m)
{int rr=0;
int sh=0;
for(int i=0;i<m.length;i++)
{ rr+=1;
for(int j=0;j<m[i].length;j++)
sh+=1;}
int vektor[]=new int[rr*sh];
int k=0;
for(int i=0; i<m[i].length;i++)
{k+=1;
for(int j=0;j<m.length;j++)
{vektor[k]=m[i][j];
k+=1;}
for(int a=0;a<vektor.length;a++)
System.out.println(vektor[a]);}

}


}

Can you please format your code?
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Welcome to the Forum! Please read this topic to learn how to post your code correctly along with other useful info for newcomers.

import java.swing.*;
import java.math.*;
public class KonvertoMatricenNeVektor {
 
	public static void main(String[] args) 
	{int a =new Integer (JOptionPane.showInputDialog("Jepni numrin e rreshtave")).intValue();
	int b= new Integer(JOptionPane.showInputDialog("Jepni numrin e shtyllave")).intValue();
    int matrica [][]=new int [a][b];
    for(int i=0; i<b; i++)
    {for(int j=0; j<a; j++)
    	 matrica[i][j]=(int) ((int) Math.random()*10);   
    vektor(matrica);}}
	public static void vektor(int[][]m)
	{int rr=0;
	int sh=0;
	for(int i=0;i<m.length;i++)
	{	rr+=1;
	for(int j=0;j<m[i].length;j++)
	sh+=1;}
	int vektor[]=new int[rr*sh];
	int k=0;
	for(int i=0; i<m[i].length;i++)
		{k+=1;
		for(int j=0;j<m.length;j++)
		{vektor[k]=m[i][j];
		k+=1;}
	for(int a=0;a<vektor.length;a++)
		System.out.println(vektor[a]);}
 
		}
 
 
	}

Thank you for posting your code correctly. Now, what is your question? What "problem" are you asking for help with? Ask specific questions. Post errors, if any. What is the code supposed to do, and how is it under performing? Give us something to work with.