Java去除字符串中的数字

//去除字符串中的数字
	private void testString(){
		String string="0079527大白菜";
		char foodName[]=string.toCharArray();
		StringBuilder stringBuilder=new StringBuilder();
		for (int i = 0; i < foodName.length; i++) {
			char c=foodName[i];
			boolean isDigit=Character.isDigit(c);
			if (!isDigit) {
				stringBuilder.append(c);
			}
		}
		System.out.println("原来的字符串:"+string+",改后的字符串:"+stringBuilder.toString());
	}