Detailed explanation of the creation and access methods of Java ThreadLocal

1. Create. Each thread can only access the value set by calling the set() method of ThreadLocal.

The ThreadLocal object is instantiated. Although all threads can access this ThreadLocal instance, each thread can only access the value it sets by calling the set() method of ThreadLocal, even if two different threads set different values ​​on the same ThreadLocal object. They also have no access to each other's values.

private ThreadLocal myThreadLocal = new ThreadLocal();

2. When accessing , when the get method returns to the Object object, the set() object needs to input parameters of the Object type.

String threadLocalValue = (String) myThreadLocal.get();

Once the ThreadLocal variable is created, you can set a value that needs to be saved through the following code:

myThreadLocal.set("A thread local value”);

What are the basic data types of java

The basics of Java Data types are divided into:

1. Integer type, used to represent the data type of integers.

2. Floating point type, a data type used to represent decimals.

3. Character type. The keyword of character type is "char".

4. Boolean type is the basic data type that represents logical values.

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