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- 09-18-2010, 09:45 PM #1
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How to format the print statement
i have to print the powers of 2 from 0-7 in a pyramid. i have the right amount of rows and the right numbers in the rows but i do not know how to format it to make a pyramid shape
here is what i have so far:
public class numberPyrimid {
//main method.
public static void main(String[] args) {
//create variable
int pwr;
int nmbr;
String output;
//create loops for rows and length of rows
//length of rows
for(int i = 1; i<=15;i+=2){
output = "";
//figure power for row
pwr = i/2;
//amount of rows
for(int x = 0; x<=pwr;x++){
//make math. return int
nmbr = (int) Math.pow(2, x);
//print for ramp up
//System.out.printf(nmbr+" ");
output = output+Integer.toString(nmbr)+" ";
}
//loop for ramp down
for(int x = (pwr-1); x >= 0 ; x--){
//make math. return int
nmbr= (int)Math.pow(2, x);
//print for ramp down
//System.out.print(nmbr+" ");
output = output+Integer.toString(nmbr)+" ";
}
//print out
System.out.printf(" "+output);
//print next line
System.out.println();
}
}
}
- 09-18-2010, 10:02 PM #2
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