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tic_tac.java
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import java.util.*;
import java.lang.*;
class definition
{
Scanner input = new Scanner(System.in);
int position, index, remsize=9,roboinput,counter=0, finished=0;
static int [] rempos ={ 1, 2, 3, 4, 5, 6, 7, 8, 9};
static char[] tic={'.', '.', '.', '.', '.', '.', '.', '.', '.'};
static int [] completed={10, 10, 10, 10, 10, 10, 10, 10, 10};
Random random= new Random();
public void display()
{
System.out.println();;
System.out.println();;
System.out.println();;
System.out.println();;
System.out.println();;
System.out.println();;
//System.out.println(" _______________________________________________");
System.out.println();;
System.out.println();;
System.out.println();;
System.out.println();;
System.out.println();;
System.out.println();;
for(int i=0; i<tic.length; i++)
{ System.out.print(" "+tic[i]);
if(i==2 || i==5)
{
System.out.println();;
System.out.println();;
System.out.println();;
System.out.println();;
System.out.println(" _______________________________________________");
System.out.println();
System.out.println();;
System.out.println();;
System.out.println();;
}
}
System.out.println();;
System.out.println();;
System.out.println();;
System.out.println();;
System.out.println();;
}
void cpuinput()
{
roboinput=1+random.nextInt(9);
checkrobo(roboinput);
}
void checkuser(int position)
{
int flag=0;
for(int i=0; i<remsize; i++)
if( rempos[i]==position)
{
flag=1;
break;
}
if (flag==0)
{
System.out.println("position already used..");
againuserinput();
}
}
void hardcheckuser(int position)
{
int flag=1;
for(int i=0; i<=finished; i++)
if( completed[i]==position)
{
flag=0;
System.out.println("position already used..");
againharduserinput();
break;
}
}
void againuserinput()
{
System.out.println("Enter the position to input");
position=input.nextInt();
checkuser(position);
}
void againharduserinput()
{
System.out.println("Enter the position to input");
position=input.nextInt();
hardcheckuser(position);
}
void checkrobo(int roboinput)
{
int flag=0;
for(int i=0;i<remsize;i++)
if(rempos[i]==roboinput)
{
flag=1;
break;
}
if(flag==0)
cpuinput();
}
void shift()
{
if(position < 8 || roboinput < 8)
for(int i=0; i<remsize-1;i++)
{
if(rempos[i]==position||rempos[i]==roboinput)
{
for(int j=i;j<remsize-1;j++)
rempos[j]=rempos[j+1];
}
}
remsize--;
}
void checkwin()
{
if((tic[0]=='X' && tic[1]=='X' && tic[2]=='X') || (tic[3]=='X' && tic[4]=='X' && tic[5]=='X') || (tic[6]=='X' && tic[7]=='X' && tic[8]=='X')
|| (tic[2]=='X' && tic[4]=='X' && tic[6]=='X') || (tic[0]=='X' && tic[4]=='X' && tic[8]=='X') || (tic[0]=='X' && tic[3]=='X' && tic[6]=='X') ||
(tic[4]=='X' && tic[1]=='X' && tic[7]=='X') ||(tic[8]=='X' && tic[5]=='X' && tic[2]=='X'))
{
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println("------------------------------ **CONGRATULATIONS** -----------------------------");
System.out.println("You Win..... \nBecause I'm playing gently.");
System.exit(0);
}
else if((tic[0]=='O' && tic[1]=='O' && tic[2]=='O') || (tic[3]=='O' && tic[4]=='O' && tic[5]=='O') || (tic[6]=='O' && tic[7]=='O' && tic[8]=='O')
|| (tic[2]=='O' && tic[4]=='O' && tic[6]=='O') || (tic[0]=='O' && tic[4]=='O' && tic[8]=='O') || (tic[0]=='O' && tic[3]=='O' && tic[6]=='O') ||
(tic[4]=='O' && tic[1]=='O' && tic[7]=='O') ||(tic[8]=='O' && tic[5]=='O' && tic[2]=='O'))
{
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println("You lost...");
System.out.println("Don't think I don't have brain....");
System.exit(0);
}
}
public static void game()
{
Scanner choice = new Scanner(System.in);
int choose=0;
System.out.println();
System.out.println();
System.out.println();
System.out.println(" TIC TAC TOE...");
System.out.println();
System.out.println();
System.out.println("Developed by.........");
System.out.println(" ABHINAV KUMAR (AB_ DON)");
System.out.println();
System.out.println("---------------------------#######----########-------------------------------");
System.out.println();
System.out.println();
int status=1;
while(status==1)
{
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println();
System.out.println("Choose the level.......");
System.out.println(" 1. Easy");
System.out.println(" 2. Hard");
choose=choice.nextInt();
if(choose==1 || choose==2)
break;
System.out.println("Wrong choice");
}
definition play= new definition();
if(choose == 1)
{
play.display();
play.userinput();
}
else
{
play.display();
play.harduserinput();
}
}
void userinput( )
{
for(int i=0; i<5;i++)
{
System.out.println();
System.out.println();
System.out.println("Enter the position to input");
position=input.nextInt();
if(position<1 || position>9)
{
System.out.println("Incorrect position");
againuserinput();
}
if(i!=0)
checkuser(position);
tic[position-1]='X';
if(i>1)
checkwin();
shift();
// computer input
if(i<4)
{
roboinput=1+random.nextInt(9);
checkrobo(roboinput);
tic[roboinput-1]='O' ;
display();
if(i>1)
checkwin();
shift();
}
}
}
void harduserinput( )
{
for(int i=0; i<5;i++)
{
System.out.println();
System.out.println();
System.out.println("Enter the position to input");
position=input.nextInt();
if(position<1 || position>9)
{
System.out.println("Incorrect position");
againuserinput();
}
if(i!=0)
hardcheckuser(position-1);
tic[position-1]='X';
completed[finished]=position-1;
finished+=2;
//display();
if(i>1)
checkwin();
//shift();
// computer input
if(i<4)
{
hardcpuinput();
display();
if(i>1)
checkwin();
//shift();
}
}
}
void hardcpuinput()
{
switch(completed[0])
{
case 0: tic[4]='O';
completed[1]=4;
if(counter>0)
{ switch(completed[2])
{
case 1: tic[2]='O';
completed[3]=2;
if(counter>1)
{ switch(completed[4])
{
case 5: tic[6]='O';
completed[5]=6;
break;
case 3: tic[6]='O';
completed[5]=6;
break;
case 7: tic[6]='O';
completed[5]=6;
break;
case 6: tic[3]='O';
completed[5]=3;
if(counter>2)
{ switch(completed[6])
{
case 5: tic[8]='O';
completed[7]=8;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 8: tic[5]='O';
completed[7]=5;
break;
case 6: tic[5]='O';
completed[7]=5;
break;
}
}
break;
case 8: tic[6]='O';
completed[5]=6;
break;
}
}
break;
case 2: tic[1]='O';
completed[3]=1;
if(counter>1)
{ switch(completed[4])
{
case 3: tic[7]='O';
completed[5]=7;
break;
case 5: tic[7]='O';
completed[5]=7;
break;
case 6: tic[7]='O';
completed[5]=7;
break;
case 7: tic[3]='O';
completed[5]=3;
if(counter>2)
{ switch(completed[6])
{
case 5: tic[8]='O';
completed[7]=8;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 8: tic[5]='O';
completed[7]=5;
break;
case 6: tic[5]='O';
completed[7]=5;
break;
}
}
break;
case 8: tic[7]='O';
completed[5]=7;
break;
}
}
break;
case 3: tic[6]='O';
completed[3]=6;
if(counter>1)
{ switch(completed[4])
{
case 1: tic[2]='O';
completed[5]=2;
break;
case 2: tic[1]='O';
completed[5]=1;
if(counter>2)
{ switch(completed[6])
{
case 7: tic[8]='O';
completed[7]=8;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 8: tic[7]='O';
completed[7]=7;
break;
case 5: tic[7]='O';
completed[7]=7;
break;
}
}
break;
case 6: tic[2]='O';
completed[5]=2;
break;
case 7: tic[2]='O';
completed[5]=2;
break;
case 8: tic[2]='O';
completed[5]=2;
break;
}
}
break;
case 5: tic[2]='O';
completed[3]=2;
if(counter>1)
{ switch(completed[4])
{
case 1: tic[6]='O';
completed[5]=6;
break;
case 3: tic[6]='O';
completed[5]=6;
break;
case 6: tic[3]='O';
completed[5]=3;
if(counter>2)
{ switch(completed[6])
{
case 7: tic[8]='O';
completed[7]=8;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 8: tic[7]='O';
completed[7]=7;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 1: tic[8]='O';
completed[7]=8;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
}
}
break;
case 7: tic[6]='O';
completed[5]=6;
break;
case 8: tic[6]='O';
completed[5]=6;
break;
}
}
break;
case 6: tic[3]='O';
completed[3]=3;
if(counter>1)
{ switch(completed[4])
{
case 1: tic[5]='O';
completed[5]=5;
break;
case 2: tic[5]='O';
completed[5]=5;
break;
case 5: tic[1]='O';
completed[5]=1;
if(counter>2)
{ switch(completed[6])
{
case 7: tic[8]='O';
completed[7]=8;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 8: tic[7]='O';
completed[7]=7;
break;
case 2: tic[7]='O';
completed[7]=7;
break;
}
}
break;
case 7: tic[5]='O';
completed[5]=5;
break;
case 8: tic[5]='O';
completed[5]=5;
break;
}
}
break;
case 7: tic[6]='O';
completed[3]=6;
if(counter>1)
{ switch(completed[4])
{
case 1: tic[2]='O';
completed[5]=2;
break;
case 2: tic[1]='O';
completed[5]=1;
if(counter>2)
{ switch(completed[6])
{
case 5: tic[8]='O';
completed[7]=8;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 8: tic[5]='O';
completed[7]=5;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 3: tic[8]='O';
completed[7]=8;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
}
}
break;
case 3: tic[1]='O';
completed[5]=1;
break;
case 5: tic[1]='O';
completed[5]=1;
break;
case 8: tic[1]='O';
completed[5]=1;
break;
}
}
break;
case 8: tic[7]='O';
completed[3]=7;
if(counter>1)
{ switch(completed[4])
{
case 1: tic[2]='O';
completed[5]=2;
if(counter>2)
{ switch(completed[6])
{
case 3: tic[6]='O';
completed[7]=6;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 5: tic[6]='O';
completed[7]=6;
break;
case 6: tic[3]='O';
completed[7]=3;
display(); System.out.println();
System.out.println("Its Draw.......");
System.exit(0);
}
}
break;
case 2: tic[1]='O';
completed[5]=1;
break;
case 3: tic[1]='O';
completed[5]=1;
break;
case 5: tic[1]='O';
completed[5]=1;
break;
case 6: tic[1]='O';
completed[5]=1;
break;
}
}
break;
}
}
counter++;
break;
case 1: tic[4]='O';
completed[1]=4;
if(counter>0)
{ switch(completed[2])
{
case 0: tic[2]='O';
completed[3]=2;
if(counter>1)
{ switch(completed[4])
{
case 3: tic[6]='O';
completed[5]=6;
break;
case 5: tic[6]='O';
completed[5]=6;
break;
case 6: tic[3]='O';
completed[5]=3;
if(counter>2)
{ switch(completed[6])
{
case 7: tic[5]='O';
completed[7]=5;
break;
case 8: tic[5]='O';
completed[7]=5;
break;
case 5: tic[8]='O';
completed[7]=8;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
}
}
break;
case 7: tic[6]='O';
completed[5]=6;
break;
case 8: tic[6]='O';
completed[5]=6;
break;
}
}
break;
case 2: tic[0]='O';
completed[3]=0;
if(counter>1)
{ switch(completed[4])
{
case 3: tic[8]='O';
completed[5]=8;
break;
case 5: tic[8]='O';
completed[5]=8;
break;
case 8: tic[5]='O';
completed[5]=5;
if(counter>2)
{ switch(completed[6])
{
case 7: tic[3]='O';
completed[7]=3;
break;
case 3: tic[7]='O';
completed[7]=7;
display(); System.out.println(); System.out.println("Its Draw.......");
System.exit(0);
case 6: tic[3]='O';
completed[7]=3;
break;
}
}
break;
case 7: tic[8]='O';
completed[5]=8;
break;
case 6: tic[8]='O';
completed[5]=8;
break;
}
}
break;
case 3: tic[0]='O';
completed[3]=0;
if(counter>1)
{ switch(completed[4])
{
case 2: tic[8]='O';
completed[5]=8;
break;
case 5: tic[8]='O';
completed[5]=8;
break;
case 8: tic[2]='O';
completed[5]=2;
if(counter>2)
{ switch(completed[6])
{
case 7: tic[6]='O';
completed[7]=6;
break;
case 6: tic[7]='O';
completed[7]=7;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 5: tic[6]='O';
completed[7]=6;
break;
}
}
break;
case 7: tic[8]='O';
completed[5]=8;
break;
case 6: tic[8]='O';
completed[5]=8;
break;
}
}
break;
case 5: tic[2]='O';
completed[3]=2;
if(counter>1)
{ switch(completed[4])
{
case 0: tic[6]='O';
completed[5]=6;
break;
case 3: tic[6]='O';
completed[5]=6;
break;
case 6: tic[0]='O';
completed[5]=0;
if(counter>2)
{ switch(completed[6])
{
case 3: tic[8]='O';
completed[7]=8;
break;
case 8: tic[7]='O';
completed[7]=7;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 7: tic[8]='O';
completed[7]=8;
break;
}
}
break;
case 7: tic[6]='O';
completed[5]=6;
break;
case 8: tic[6]='O';
completed[5]=6;
break;
}
}
break;
case 6: tic[0]='O';
completed[3]=0;
if(counter>1)
{ switch(completed[4])
{
case 2: tic[8]='O';
completed[5]=8;
break;
case 5: tic[8]='O';
completed[5]=8;
break;
case 8: tic[7]='O';
completed[5]=7;
if(counter>2)
{ switch(completed[6])
{
case 2: tic[5]='O';
completed[7]=5;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 5: tic[2]='O';
completed[7]=2;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 3: tic[5]='O';
completed[7]=5;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
}
}
break;
case 7: tic[8]='O';
completed[5]=8;
break;
case 3: tic[8]='O';
completed[5]=8;
break;
}
}
break;
case 7: tic[5]='O';
completed[3]=5;
if(counter>1)
{ switch(completed[4])
{
case 2: tic[3]='O';
completed[5]=3;
break;
case 0: tic[3]='O';
completed[5]=3;
break;
case 3: tic[0]='O';
completed[5]=0;
if(counter>2)
{ switch(completed[6])
{
case 8: tic[6]='O';
completed[7]=6;
display(); System.out.println(); System.out.println("Its Draw.......");
System.out.println("Its Draw.......");
System.exit(0);
case 2: tic[8]='O';
completed[7]=8;
break;
case 6: tic[8]='O';
completed[7]=8;
break;
}
}
break;
case 6: tic[3]='O';
completed[5]=3;
break;
case 8: tic[3]='O';
completed[5]=3;
break;
}
}
break;
case 8: tic[2]='O';
completed[3]=2;
if(counter>1)
{ switch(completed[4])
{
case 3: tic[6]='O';
completed[5]=6;
break;
case 0: tic[6]='O';
completed[5]=6;
break;
case 6: tic[7]='O';
completed[5]=7;
if(counter>2)
{ switch(completed[6])
{
case 0: tic[3]='O';
completed[7]=3;
display(); System.out.println(); System.out.println("Its Draw.......");
System.exit(0);
case 3: tic[0]='O';
completed[7]=0;
System.out.println();
display(); System.out.println(); System.out.println("Its Draw.......");
System.exit(0);
break;
case 5: tic[0]='O';
completed[7]=0;
System.out.println();
display(); System.out.println(); System.out.println("Its Draw.......");
System.exit(0);
break;
}
}
break;
case 5: tic[6]='O';
completed[5]=6;
break;
case 7: tic[6]='O';