package ming;public class CacheImmutale {	private static int MAX_SIZE = 10;	private static CacheImmutale[] cache = new CacheImmutale[MAX_SIZE];	private static int pos = 0;	private final String name;	private CacheImmutale(String name) {		this.name = name;	}	public String getName() {		return this.name;	}	public static CacheImmutale valueof(String name) {		//遍历缓存对象		for (int i = 0; i < MAX_SIZE; i++) {			//如果已有相同实例，直接返回			if (cache[i] != null && cache[i].getName().equals(name)) {				return cache[i];			}		}		//如果缓存已满		if (pos == MAX_SIZE) {			//把第一个缓存对象覆盖			cache[0] = new CacheImmutale(name);			pos = 1;		} else {			//把新的对象缓存起来			cache[pos++] = new CacheImmutale(name);		}		return cache[pos - 1];	}	@Override	public boolean equals(Object obj) {		if (this == obj) {			return true;		}		if (obj != null && obj.getClass() == CacheImmutale.class) {			CacheImmutale ci = (CacheImmutale) obj;			return name.equals(ci.getName());		}		return false;	}		public int hashCode(){		return name.hashCode();	}	public static void main(String[] args) {		// TODO Auto-generated method stub		CacheImmutale c1 = CacheImmutale.valueof("hello");		CacheImmutale c2 = CacheImmutale.valueof("hello");		System.out.println(c1==c2);	}}