class Nested {
public static void main(String[] args) {
int i, j;
for(i=0;i<10;i++) {
for(j=i; j<10;j++) {
System.out.print(".");
}
System.out.println();
}
}
}
output:
.......... ......... ........ ....... ...... ..... .... ... .. .
class BreakLoop {
public static void main(String[] args) {
int i=0;
while(i<100) {
if(i==10)
break;
System.out.println("i: " + i);
i++;
}
System.out.println("Loop complete.");
}
}
Output:
i: 0 i: 1 i: 2 i: 3 i: 4 i: 5 i: 6 i: 7 i: 8 i: 9 Loop complete.
//Compute the square root "by hand"
import tio.*;
public class SquareRoot
{
public static void main(String[] args) {
System.out.println("Please enter a number:");
double a = Console.in.readDouble();
double xnew = a / 2; double xold;
do {
xold = xnew;
xnew = (xold + a / xold) / 2;
System.out.println(xnew);
//Test for equality between two doubles } while (Math.abs(xnew - xold) > 1E-4);
System.out.println("\nSqrt is: " + xnew);
}
}
Output:
Please enter a number: 81 21.25 12.530882352941177 9.497456198181656 9.01302783945225 9.000009415515176 9.000000000004924 Sqrt is: 9.000000000004924
// Computes the odds of winning the lottery // in games where you draw 5 balls 1...69 or // somethings alongs those lines.
import tio.*;
public class LotteryOdds {
public static void main(String[] args) {
System.out.println("How many numbers do you need to draw?");
int numbers = Console.in.readInt();
System.out.println("What is the highest number you can draw?");
int topNumber = Console.in.readInt();
long oddsAre = 1;
for (int i = 1; i <= numbers; i++) {
oddsAre = oddsAre * topNumber / i;
topNumber--;
}
System.out.println("Your odds are 1 in " + oddsAre + ". Good luck!");
}
}
Output:
How many numbers do you need to draw? 5 What is the highest number you can draw? 69 Your odds are 1 in 11238513. Good luck!
class MultiplicationTables
{
public static void main(String[] args)
{
for(int i=0;i<10; i++) {
for(int j=0;j<10;j++) {
System.out.print(i * j + "\t");
}
System.out.println(); } } }
Output:
0 0 0 0 0 0 0 0 0 0
0 1 2 3 4 5 6 7 8 9
0 2 4 6 8 10 12 14 16 18
0 3 6 9 12 15 18 21 24 27
0 4 8 12 16 20 24 28 32 36
0 5 10 15 20 25 30 35 40 45
0 6 12 18 24 30 36 42 48 54
0 7 14 21 28 35 42 49 56 63
0 8 16 24 32 40 48 56 64 72
0 9 18 27 36 45 54 63 72 81