Multiple markers at this line

    - Syntax error, parameterized types are only available if source level is 1.5 or greater     - Incorrect number of arguments for type HashMap<K,V>; it cannot be parameterized with       arguments <>

解决方法:

1,在eclipse中菜单Window----preferences----java-----compiler把右边中的Compiler compliance level改为1.6

2,右击项目，修改properties，找到java compiler修改compiler compliance level为1.6