::ภาษา JAVA::...++การบ้าน lab4 credit พี่เอกห้อง 2 ++...

public class lab4_1
{
public static void main(String[] args)
{
int x,y;
for (x=1;x<=6 ;x++ )
{
for (y=1;y<=x ;y++ )
{
System.out.print("*");
}
System.out.println();
}
}
}



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import javax.swing.JOptionPane;
public class lab4_2
{
public static void main(String[] args)
{
String input = JOptionPane.showInputDialog(null,"Enter number");
int x = Integer.parseInt(input);
int by;
int count = 0;
for (by = 1; by <=x; by++ )
{
if (x%by == 0)
{
//System.out.println(by);
count++;
}
}
if (count == 2)
{
JOptionPane.showMessageDialog(null,x+" is prime");
}
else
{
JOptionPane.showMessageDialog(null,x+" is not prime");
}
}
}


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public class lab4_3
{
public static void main(String[] args)
{
int i = 1;
int j = 1;
int k = 0;
System.out.println(i);
System.out.println(j);
while ( k < 30)
{
k = i + j ;
System.out.println(k);
i = j;
j = k;
}

}
}

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public class lab4_4
{
public static void main(String[] args)
{
int count = 0;
for (int x = 0; x < 50; x++ )
{
System.out.println("Count is"+count);
count++;
}
}
}

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import java.util.Scanner;
public class lab4_5
{
public static void main(String[] args)
{
int guess;
int count = 0;
Scanner scan = new Scanner(System.in);
System.out.println("t*****************nWelcome to the Guessing Gament*****************");
int number = (int)(Math.random()*10);
System.out.println(number);
do
{
System.out.print("Enter an int form 1 to 10 : ");
guess = scan.nextInt();
count++;
if (guess != number)
{
System.out.println("Try again...");
}
}
while (guess != number);

System.out.println("Number is "+number+"nYou win after "+count+" guesses.");
}
}

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Create Date : 16 กรกฎาคม 2551		0 comments
Last Update : 16 กรกฎาคม 2551 13:47:40 น.
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