Java-Code

import java.util.Arrays;

public class BalLoons {

	public static void main(String[] args) {
		
		String s = "balbalonn";
		char[] charArray = s.toCharArray();
		char[] balloonArray = new char[charArray.length];
		
		
		for(int i = 0; i < charArray.length; i++) {
			
			if(charArray[i] == 'b' || charArray[i] == 'a' || charArray[i] == 'l' || charArray[i] == 'o' || charArray[i] == 'n') {
				balloonArray[i] = charArray[i];
				charArray[i] = 0;
			}
		}
		
		int bCounter = 0;
		int aCounter = 0;
		int lCounter = 0;
		int oCounter = 0;
		int nCounter = 0;
		for(int i = 0; i < balloonArray.length; i++) {
			if(balloonArray[i] == 'b') {
				bCounter++;
			}
			if(balloonArray[i] == 'a') {
				aCounter++;
			}
			if(balloonArray[i] == 'l') {
				lCounter++;
			}
			if(balloonArray[i] == 'o') {
				oCounter++;
			}
			if(balloonArray[i] == 'n') {
				nCounter++;
			}
		}
		
		int balloonCounter = 0;
		while(bCounter >= 1 && aCounter >= 1 && lCounter >= 2 && oCounter >= 2 && nCounter >= 1) {
			balloonCounter++;
			bCounter--;
			aCounter--;
			lCounter -= 2;
			oCounter -= 2;
			nCounter--;
		}
		
//		System.out.println(Arrays.toString(charArray));
//		System.out.println(Arrays.toString(balloonArray));
//		System.out.println("B: "+bCounter+"- A: "+aCounter+" - L: "+lCounter+" - O: "+oCounter+" - N: "+nCounter);
		System.out.println("BalloonCounter: "+balloonCounter);
		
		
	}
}