What is the concept of Java user thread

1. Whether the Java language is a thread or a thread pool, it is a user thread by default, so user threads are also called ordinary threads.

2. Taking threads as an example, to check whether a trip is a daemon trip, just query by calling the isdaemon() method. If the query value is false, it means that it is not a daemon process, and of course it belongs to the user thread.

Example

public static void main(String[] args) throws InterruptedException {
    Thread thread = new Thread(new Runnable() {
        @Override
        public void run() {
            System.out.println("我是子线程");
        }
    });
    System.out.println("子线程==守护线程：" + thread.isDaemon());
    System.out.println("主线程==守护线程：" + Thread.currentThread().isDaemon());
}

What are the basic data types of java

The basic data types of Java are divided into:

1. Integer type , a data type used to represent 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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