Some one please run for me this code and help me understand why am not able to get an output and where i can adjust the v$,$ e$,$ in and max values

code

import java.io$.$BufferedWriter;

import java.io$.$FileWriter;

import java.util.$*$;

public class RandomGraph $\{$

private static final String NL $="$

$"$;

$/**$

$*$ Main method: Entry point for the program.

$*$ Usage: java RandomGraph v e min max f

$*$ @param args Command$-$line arguments: v $($vertices$),$ e $($edges per node$),$ min $($min capacity$),$ max $($max capacity$),$ f $($file path$)$

$*/$

public static void main$($String$[]$ args$)\{$

if $($args$.$length $!=5)\{$

System.out.println$("$Invalid parameters!"$)$;

System.out.println$("$Usage:$")$;

System.out.println$("$java RandomGraph v e min max f$")$;

System.out.println$("$v $-$ Number of vertices in the graph"$)$;

System.out.println$("$e $-$ Number of edges leaving each node"$)$;

System.out.println$("$min $-$ Lower bound on edge capacities"$)$;

System.out.println$("$max $-$ Upper bound on edge capacities"$)$;

System.out.println$("$f $-$ File path for saving this graph"$)$;

System.out.println$("$Example: java RandomGraph $103510$ graph$1.$txt$")$;

return;

$\}$

try $\{$

int v $=$ Integer.parseInt$($args$[0])$;

int e $=$ Integer.parseInt$($args$[1])$;

int min $=$ Integer.parseInt$($args$[2])$;

int max $=$ Integer.parseInt$($args$[3])$;

String filePath $=$ args$[4]$;

if $($v $<=$ e$)\{$

System.out.println$("$FAIL$!$ The number of vertices must exceed the number of edges leaving each node."$)$;

return;

$\}$

if $($max $<$ min$)\{$

System.out.println$("$FAIL$!$ Max must be greater than or equal to min."$)$;

return;

$\}$

StringBuffer graphData $=$ graphBuilder$($v$,$ e$,$ min, max$)$;

toFile$($graphData$,$ filePath$)$;

System.out.println$("$DONE$!$ Graph saved to $"+$ filePath$)$;

$\}$ catch $($NumberFormatException e$)\{$

System.out.println$("$Error: Parameters v$,$ e$,$ min, and max must be integers."$)$;

$\}$

$\}$

$/**$

$*$ Builds the graph data.

$*$ @param v Number of vertices in the graph

$*$ @param e Number of edges leaving each vertex

$*$ @param min Lower bound on edge capacities

$*$ @param max Upper bound on edge capacities

$*$ @return A StringBuffer containing the graph representation

$*/$

public static StringBuffer graphBuilder$($int v$,$ int e$,$ int min, int max$)\{$

Random gen $=$ new Random$()$;

StringBuffer bfr $=$ new StringBuffer$()$;

$//$ Add edges from source node $\text{'}$s$\text{'}$

SortedSet s $=$ new TreeSet$<>()$;

int j $=1$;

while $($j $<=$ e$)\{$

int head $=$ gen.nextInt$($v$)+1$;

if $(!$s$.$contains$($head$))\{$

s$.$add$($head$)$;

int c $=$ min $+$ gen.nextInt$($max $-$ min $+1)$;

bfr$.$append$($String$.$format$("$s v$\%$d $\%$d$\%$s$",$ head, c$,$ NL$))$;

j$++$;

$\}$

$\}$

$//$ Add edges to sink node $\text{'}$t$\text{'}$

s$.$clear$()$;

j $=1$;

while $($j $<=$ e$)\{$

int tail $=$ gen.nextInt$($v$)+1$;

if $(!$s$.$contains$($tail$))\{$

s$.$add$($tail$)$;

int c $=$ min $+$ gen.nextInt$($max $-$ min $+1)$;

bfr$.$append$($String$.$format$("$v$\%$d t $\%$d$\%$s$",$ tail, c$,$ NL$))$;

j$++$;

$\}$

$\}$

$//$ Add edges for internal nodes

for $($int i $=1$; i $<=$ v; i$++)\{$

s$.$clear$()$;

s$.$add$($i$)$;

j $=1$;

while $($j $<=$ e$)\{$

int head $=$ gen.nextInt$($v$)+1$;

if $(!$s$.$contains$($head$))\{$

s$.$add$($head$)$;

int c $=$ min $+$ gen.nextInt$($max $-$ min $+1)$;

bfr$.$append$($String$.$format$("$v$\%$d v$\%$d $\%$d$\%$s$",$ i$,$ head, c$,$ NL$))$;

j$++$;

$\}$

$\}$

$\}$

return bfr;

$\}$

$/**$

$*$ Writes the graph data to a file.

$*$ @param outString The graph data as a StringBuffer

$*$ @param filename The file path where the graph will be saved

$*/$

private static void toFile$($StringBuffer outString, String filename$)\{$

try $($BufferedWriter fout $=$ new BufferedWriter$($new FileWriter$($filename$)))\{$

fout.write$($outString$.$toString$())$;

$\}$ catch $($Exception e$)\{$

System.out.println$("$Error saving file."$)$;

System.out.println$("$Please check the file path and try again."$)$;

System.exit$(1)$;

$\}$

$\}$

$\}$

output

s v$5263$

s v$1143$

s v$2147$

v$9$ t $235$

v$19$ t $151$