Should I set the initial java String values from null to quot;quot;?(我应该将初始 java 字符串值从 null 设置为“吗?)

Java check to see if a variable has been initialized(Java 检查变量是否已初始化)

What happens to a declared, uninitialized variable in Java?(Java 中声明的、未初始化的变量会发生什么?)

How to initialize a TreeMap with pre-sorted data?(如何使用预先排序的数据初始化 TreeMap?)

Java switch : variable declaration and scope(Java switch:变量声明和范围)

default values for primitives(基元的默认值)

The code for the static initializer is exceeding the 65535 bytes limit error in java?(静态初始化程序的代码超出 java 中的 65535 字节限制错误?)

Static Initialization on OpenCV Android(OpenCV Android 上的静态初始化)

Can one initialize a Java string with a single repeated character to a specific length(可以将具有单个重复字符的Java字符串初始化为特定长度吗)

Java - Initialize a HashMap of HashMaps(Java - 初始化 HashMap 的 HashMap)

Java: Unable to use EnumSet within an Enumeration : Initialization error : Tech Research Talent Tree example(Java:无法在枚举中使用 EnumSet:初始化错误:技术研究人才树示例)

In what order are the different parts of a class initialized when a class is loaded in the JVM?(在 JVM 中加载类时，类的不同部分按什么顺序初始化?)

Java Constructor and Field Initialization Order(Java 构造函数和字段初始化顺序)

How JVM loads parent classes in Java(JVM如何加载Java中的父类)

Spring Boot 2 Multiple Datasources initialize schema(Spring Boot 2 多个数据源初始化模式)

Initialization in polymorphism of variables(变量多态的初始化)

Execution order of Enum in java(java中枚举的执行顺序)

Order of initialization/instantiation of class variables of derived class and invoking of base class constructor(派生类的类变量的初始化/实例化顺序和基类构造函数的调用)

Can#39;t define a private static final variable because it throws an exception(无法定义私有静态最终变量，因为它会引发异常)

Spring Dependency Injection into JPA entity listener(将 Spring 依赖注入到 JPA 实体侦听器中)