Programming and Problem Solving with Java

741

Chapter 13 Programming Warm-Up Exercises

1.public static intf(intn)

{

if(n == 0 || n == 1 )

return 1 ;

else

returnf(n - 1 ) + f(n - 2 );

}

4.public static intfactorial(int n, intlevel)

{

inttempFactorial;

intloopCount;

for(loopCount = 1 ; loopCount <= level; loopCount++)

System.out.print(" ");

System.out.println(n);

if(n == 0 )

tempFactorial = 1 ;

else

tempFactorial = n * factorial(n - 1 , level + 1 );

for(loopCount = 1 ; loopCount <= level; loopCount++)

System.out.print(" ");

System.out.println(tempFactorial);

returntempFactorial;

}

6.public static voidprintSqRoots(intn)

{

if(n > 0 )

{

outFile.println(n + " "+ Math.sqrt((double)n));

printSqRoots(n - 1 );

}

}

7.public static voidprint(

int[] data, // Array to be printed

intfirst, // Index of first element

intlast ) // Index of last element

// Print an array