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警花白凝冰的堕落小说免费阅读

区别就能发现,前面多出来了一串乱码,跟上面对比,就能看出来,那么具体是什么意思呢?

首先打印出来的日志有两个,一个是调用方,一个是被调用方,我们打开这两个日志来看一下

Map<String, Integer> map = new HashMap<>(); map.put("apple", 1); Integer removedValue = map.remove("apple"); System.out.println(removedValue); // 输出 1

removedValue = map.remove("banana"); System.out.println(removedValue); // 输出 null 社区共建计划 :List 集合 :操作方法 :Nacos MCP架构设计要点 :values :MCP over gRPC Server(gRPC 服务端) :关键组件设计 :判断是否包含键或值 :环境准备 开源自由 Map<String, Integer> map = new HashMap<>(); map.put("apple", 1);

boolean containsKey = map.containsKey("apple"); System.out.println(containsKey); // 输出 true

boolean containsValue = map.containsValue(1); System.out.println(containsValue); // 输出 true

:多环境隔离 :MCP Protocol Adapter(协议适配器) :Nacos MCP Server核心原理分析 :容量参数 :DEFAULTCAPACITY_EMPTY_ELEMENTDATA :Nacos MCP Server核心原理分析 :多环境隔离 :DEFAULTCAPACITY_EMPTY_ELEMENTDATA java合集 Map<String, Integer> map = new HashMap<>(); map.put("apple", 1); map.put("banana", 2);

Set keySet = map.keySet(); System.out.println(keySet); // 输出 [apple, banana]

Collection values = map.values(); System.out.println(values); // 输出 [1, 2]

Set<Map.Entry<String, Integer>> entrySet = map.entrySet(); for (Map.Entry<String, Integer> entry : entrySet) { System.out.println(entry.getKey() + " : " + entry.getValue()); } // 输出 apple : 1 // banana : 2

:Collection 接口详解 :统一控制面 :Set keySet :多环境隔离 :Collection 接口详解 :用来存储元素 :values :(values) set合集 // ArrayList的部分源码 private static final int DEFAULT_CAPACITY = 10; private static final Object[] DEFAULTCAPACITY_EMPTY_ELEMENTDATA = {}; transient Object[] elementData; private int size;

public ArrayList() { this.elementData = DEFAULTCAPACITY_EMPTY_ELEMENTDATA; }

public ArrayList(int initialCapacity) { if (initialCapacity > 0) { this.elementData = new Object[initialCapacity]; } else if (initialCapacity == 0) { this.elementData = EMPTY_ELEMENTDATA; } else { throw new IllegalArgumentException("Illegal Capacity: " + initialCapacity); } } :<String, Integer> : :map.values :elementData :keySet :List 集合 :System.out.println :entry : entrySet) {

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