Odpowiedź :
public class Main {
public static void main(String[] args) {
printNumberPyramid(6);
}
public static void printNumberPyramid(int numberOfPyramidLevels) {
for(int i = 1; i < numberOfPyramidLevels + 1; i++){
printPyramidLevel(i);
printNewLine();
}
}
public static void printPyramidLevel(int levelLength){
for(int j = 0; j < levelLength; j++)
System.out.print("3");
}
public static void printNewLine(){
System.out.println();
}
}