EX 2 : Task#1 - Word Counter

Work only on Processing app.
Download Link : https://processing.org/download/

void setup()
{
  String s="Hello World";
  int count=count_word(s);
  println("Sentence : "+s);
  println("Number of words : "+count);
}

int count_word(String s)
{
  if(s.length()==0)
  {
    return 0;
  }
  int c=0;
  for(int i=0;i<s.length();i++)
  {
    if(s.charAt(i)==' '||s.charAt(i)=='.'||s.charAt(i)=='?')
    {
      c++;
    }
  }
  if(s.charAt(s.length()-1)!=' '&&s.charAt(s.length()-1)!='.'&&s.charAt(s.length()-1)!='?')
  {
    c++;
  }
  return c;
}

Lab 3[continue] : Task#3 - write a function to create random values in an array (with parameter to specify whether duplicate values are allowed)

boolean d=false;
int n=10;

void setup()
{
  int[] x=new int[n];
  for(int i=0;i<n;i++)
  {x[i]=-1;}
  for(int i=0;i<n;i++)
  {x[i]=random_array(x);}
  for(int i=0;i<n;i++)
  {println("x["+i+"] = "+x[i]);}
}

int random_array(int[] x)
{
  int y;
  y=round(random(0,n));
  if(!d)
  {
    for(int i=0;i<n;i++)
    {
      if(y==x[i])
      {
        y=random_array(x);
      }
    }
  }
  return y;
}

Lab 3[continue] : Task#2 - Write a function to create random values in an array (duplicate values are allowed)

int n=10;

void setup()
{
  int[] x=new int[n];
  for(int i=0;i<n;i++)
  {x[i]=-1;}
  for(int i=0;i<n;i++)
  {x[i]=random_array(x);}
  for(int i=0;i<n;i++)
  {println("x["+i+"] = "+x[i]);}
}

int random_array(int[] x)
{
  int y;
  y=round(random(0,n));
  return y;
}

Lab 3[continue] : Task#1 - Find the index of a value in an array

void setup()
{
  int[] x={4,8,5};
  int value,pos;
  value=5;
  pos=find_index(x,value);
  print_index(x,value,pos);
}

int find_index(int[] x,int value)
{
  int pos=-1;
  for(int i=0;i<x.length;i++)
  {
    if(x[i]==value)
    {
      pos=i;
    }
  }
  return pos;
}

void print_index(int[] x,int value, int pos)
{
  print("X = {");
  for(int i=0;i<x.length;i++)
  {
    print(x[i]);
    if(i<x.length-1)
    {
      print(",");
    }
    else
    {
      println("}");
    }
  }
  if(pos==-1)
  {
    print(value+" is not in X[]");
  }
  else
  {
    print(value+" has index = "+pos+" in X");
  }
}