1 package java.util; 2 3 import java.util.function.Consumer; 4 import java.util.function.BiConsumer; 5 import java.util.function.BiFunction; 6 import java.io.IOException; 7 8 public class LinkedHashMap<K,V> 9 extends HashMap<K,V> 10 implements Map<K,V> 11 { 12 13...
publicclassHashtable<K,V>extendsDictionary<K,V>implementsMap<K,V>, Cloneable, java.io.Serializable {...privatetransientEntry<?,?>[] table;publicHashtable(){this(11,0.75f);}protectedvoidrehash(){intoldCapacity=table.length;Entry<?,?>[] oldMap = table;// overflow-conscious codeintnewCapacit...
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Before reading the code in detail, we first have an understanding of the overall process through a sequence diagram, as shown in the following figure: 3.2 Create NamesrvController First look at the core code, as follows: public static NamesrvController createNamesrvController(String[] args) throws...
Overrides: equals in class Object Parameters: obj - the object to test for equality with this object. Returns: true if the objects are considered equal, false otherwise. See Also: Object.hashCode() HashMap getLocation public final URL getLocation() Returns the location associated with this Code...
java的集合 总体 Iterable接口 Implementing this interface allows an object to be the target of the "for-each loop" statement map接口 是一个key映射values,每个key只有一个对应的value,作为Dictionary替代。 有三种集合:keys的set,values的collection,key-values的mapping,其中这个map的顺序由迭代器定义,像TreeM...
private ClassLoader driverClassLoader; // 加载Driver的类加载器 private Properties driverProperties; // 数据库连接驱动的相关信息 // 缓存所有已注册的数据库连接驱动 private static Map<String, Driver> registeredDrivers = new ConcurrentHashMap<>(); private String driver; // 驱动 private String url; ...
Registration: This process is equivalent to storing the data in the HashMap, but now the HashMap stores the object information of the defined Bean. Obtain: Finally, the object is obtained. The name of the Bean is the key. After the Spring container initializes the Bean, it can be obtaine...
"java.util.HashMap", "java.util.HashMap$Node", "java.util.Map", ], }, hiddenapi_additional_annotations: [ "core-oj-hiddenapi-annotations", ], errorprone: { javacflags: [ "-Xep:ReturnValueIgnored:WARN", "-Xep:HashtableContains:WARN", "-Xep:ComparableType:WARN", ...