recursion method

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recursion method

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October 17, 2008 at 11:43 AM

Hi friend,


Code for solving the problem :


public class RecursiveDiamond {

public RecursiveDiamond( int num ) {
int pre = num/2;
for (int i=1; i<=(num/2)+2; i+=2,pre-- ) {
line( pre, i );
}
for (int i=num; i>=(num/2)-2; i-=2,pre++ ) {
line( pre, i );
}
}
public void line( int pre, int stars ) {
for ( int i=0; i<pre; i++ )
System.out.print( " " );
for ( int i=0; i<stars; i++ )
System.out.print( "*" );
System.out.println( "" );
}
public static void main( String[] args ) {
new RecursiveDiamond( 7 );
}
}
Thanks

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