c17f06t1

c17f06t1 - CSE 17 Test 1 Friday 6 October 2006 >SUGGESTED...

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CSE 17 Test 1 Friday 6 October 2006 >>>>>>>>>>>>>>>>>>>>>>>>>>>>SUGGESTED ANSWERS<<<<<<<<<<<<<<<<<<<<<<<< 1. Write a class P, whose main program forces the user to enter three integers and then tells the user whether the sum of the squares of the first two is equal to the square of the third (Pythagorean triple). For example, the integers 3,4, and 5 form a pythagorean triple, as do 5, 12, and 13, but 1,2, and 3 do not. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> import java.util.Scanner; class P{ public static void main(String arg[]){ int a,b,c; System.out.println( "Enter 3 integers, and I tell you the sum of the squares\n"+ " of the first 2 equals the square of the third"); a=getAnInt(" first "); b=getAnInt(" second "); c=getAnInt(" third "); System.out.println( "It is "+(a*a+b*b==c*c)+" that "+a+"*"+a+"+"+b+"*"+b+"="+c+"*"+c); } public static int getAnInt(String prompt) {int temp; Scanner kbd=new Scanner(System.in); System.out.print("Enter the" + prompt + "integer- "); while(!kbd.hasNextInt()) {System.out.println("You must enter an integer"); kbd.next(); } temp=kbd.nextInt(); return temp; } } <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 2. Write out the output that would appear on the screen when the code

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