public class Program114 {

	char c;
	void printall(){
		System.out.println(c);
	}
	
	public static void main(String[] args) {
		Program114 t = new Program114();
		t.printall();
		
		StringBuilder message = new StringBuilder("Hello java!");
		int pos =0 ;
		try{
			for(pos =0;pos<12;pos++){
				switch(message.charAt(pos)){
				case 'a':
				case 'e':
				case 'o':
					String uc = Character.toString(message.charAt(pos)).toUpperCase();
					message.replace(pos, pos+1, uc);
				}
			}
		}catch(Exception e){
			System.out.println("Out of Limits");
		}
		System.out.println(message);
	}

}
                                

A  Out of Limits HEllO jAvA!

B  hEllOjAvA!

C  Hello java!

D  Out of limits