Hi friend,


public class NestedExample{

public static void main(String[] args){
/** Print Pattern I */
System.out.println("This is First Pattern.");
for(int row = 1; row <= 6; row++){
for (int column = 1; column <= row; column++)
System.out.print(column + "");
System.out.println();
}
System.out.println();
System.out.println();
// Print pattern II
System.out.println("This is Second Pattern.");
for (int row = 6; row >= 1; row-- ){
for ( int column = 1; column <= row; column++ )
System.out.print(column + "" );
System.out.println();
}
System.out.println();
System.out.println();
/** Print Pattern III */
System.out.println("This is Third Pattern.");
for (int row = 1; row <= 6; row++){
for (int space = 6; space > row; space-- )
System.out.print(" ");
for (int column = 1; column <= row; column++ )
System.out.print( column + "" );
System.out.println();
}
System.out.println();
System.out.println();

/** Print Pattern IV */
System.out.println("This is Fourth Pattern.");
for (int row = 6; row >= 1; row-- ){
for (int space = 6; space > row; space-- )
System.out.print( " " );
for (int column = 1; column <= row; column++ )
System.out.print( column + "" );
System.out.println();
}
System.out.println();
System.out.println();
}
}