public static void main(String[] args) {
		//Test 
		String[] ss = new String[]{"-123422","skxk32323","jk2332kei002","1",
				"你好,世界","+233jk","2147483648","-2147483649","510","0","-1",
				"jkk-234jk233","2147483647","-2147483648",null,};
		for(String s:ss){
			try{
				System.out.println(s + " : " + StringToInt.stringToInt(s));
			}catch(NumberFormatException e){
				System.out.println("!Error :" + e.getMessage());
			}
		}
	}