منتديات بني بحير بلقرن

السلام عليكم ورحمة الله وبركاته
هذه بعض الا كواد للجافا تستخدم في برنامج الجافا التعليمي:
import java.util.*;
class BinaryTree
{
BinaryTree left;
BinaryTree right;
int value;
public BinaryTree (int v)
{
value=v;
}
public void insert(int v)
{
if(v<value)
{
if(left==null)
left=new BinaryTree(v);
else
left.insert(v);
}
if(v>value)
{
if(right==null)
right=new BinaryTree(v);
else
right.insert(v);
}
}
public void display()
{
System.out.println(value);
System.out.println(left.value);
System.out.println(right.value);
}
public static void main (String args[])
{
BinaryTree b=new BinaryTree(50);
b.insert(20);
b.insert(30);
b.insert(60);
b.display();
}
}

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/*Factorial of a Number
Recursive Function
*/
import javax.swing.*;
class Factorial
{
int num;
public void EnterValue()
{
String str;
str=JOptionPane.showInputDialog(null,"Enter a Number to find Factorial: ");
num=Integer.parseInt(str);
}

public int factorial(int n)
{
if (n == 1)
return 1;

return n * factorial(n-1); //Recursive Function
}
public static void main(String args[])
{
int result;
Factorial f=new Factorial();
f.EnterValue();
result=f.factorial(f.num);
System.out.println("The Factorial of a Number is: "+result);
}
}
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/*Power of a Number
Recursive Function
*/
import javax.swing.*;
class Power
{
static double n ,x;
public void EnterValue()
{
String str1,str2;
str1=JOptionPane.showInputDialog(null,"Enter a Base Value to find Power: ");
x=Double.parseDouble(str1);
str2=JOptionPane.showInputDialog(null,"Enter a Power Value to find Power: ");
n=Double.parseDouble(str2);
}

public static double power(double x,double n)
{
if(n<0)
{
JOptionPane.showMessageDialog(null,"Enter only positive number: ");
System.exit(0);
}
if (n == 0)
return 1.0;

return (x * power(x,(n-1))); //Recursive Function
}
public static void main(String args[])
{
double result;
Power p=new Power();
p.EnterValue();
result=Power.power(x,n);
JOptionPane.showMessageDialog(null,"The Power of a number is: "+result);
}
}

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import javax.swing.*;
class Search
{
int n,x;
int a[ ]=new int[20];

void getData()
{
String s=JOptionPane.showInputDialog(null,"Number of Elements: ");
n=Integer.parseInt(s);

JOptionPane.showMessageDialog(null,"Enter the Elements: ");

for(int i=0;i<n;i++)
{
s=JOptionPane.showInputDialog(null,"Element= ");

a[i]=Integer.parseInt(s);

}

System.out.println("Enter the Element to Search: ");
s=JOptionPane.showInputDialog(null,"Element to search: ");
x=Integer.parseInt(s);

}

int binSearch(int low,int high)
{
int mid;

if(low>high)
return -1;

mid=(low+high)/2;

if(x==a[mid])
return mid;

else if(x<a[mid])
return binSearch(low,mid-1);
else
return binSearch(mid+1,high);

//return x==mid?mid:x<a[mid]?binSearch(low,mid-1):binSearch(mid+1,high);
}
}
class Binary_Search
{
public static void main(String args[])
{
int m;

Search s=new Search();

s.getData();

int found=s.binSearch(0,5);

if(found==-1)

JOptionPane.showMessageDialog(null,"Not Found: ");

else

JOptionPane.showMessageDialog(null,"Found at Location: "+found);

}

}