PowersOf2

# PowersOf2 - numPowersOf2 = scan.nextInt/print a message...

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// **************************************************************** // PowersOf2.java // // Print out as many powers of 2 as the user requests // // **************************************************************** import java.util.Scanner; public class PowersOf2 { public static void main(String[] args){ int numPowersOf2; //How many powers of 2 to compute int nextPowerOf2 = 1; //Current power of 2 int exponent; //Exponent for current power of 2 -- this //also serves as a counter for the loop Scanner scan = new Scanner (System.in); System.out.println("How many powers of 2 would you like printed?");
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Unformatted text preview: numPowersOf2 = scan.nextInt(); //print a message saying how many powers of 2 will be printed System.out.println("Here are the first " + numPowersOf2 + " powers of 2:"); //initialize exponent -- the first thing printed is 2 to the what? exponent = 0; while (exponent < numPowersOf2) { //print out current power of 2 System.out.println("2^" + exponent + " = " + nextPowerOf2); //find next power of 2 -- how do you get this from the last one? nextPowerOf2 *= 2; //increment exponent exponent++; } } }...
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