Accp 14章 实现客户姓名的添加 修改 显示 关键代码

public class customer {
	String[] names = new String[30];

	public void addName(String name) {
		for (int i = 0; i < names.length; i++) {
			if (names[i] == null) {
				names[i] = name;
				break;
			}
		}
	}
	public boolean huanname(String oldname,String newname){
		boolean find = false;  				
		for(int i=0;i