类是示例中的 Primitive()方法

原文:https://www . geesforgeks . org/class-is primitive-in-method-in-examples/

Java . lang . Class是 Primitive() 方法,用来检查这个类是否是 Primitive 类。如果此类是基元类,则方法返回 true。否则返回 false。 语法:

public boolean isPrimitive()

参数:此方法不接受任何参数。 返回值:如果这个类是原始类,这个方法返回。否则返回。 下面的程序演示了 isPrimitive()方法。 例 1:

Java 语言(一种计算机语言,尤用于创建网站)

// Java program to demonstrate isPrimitive() method

public class Test {
    public static void main(String[] args)
        throws ClassNotFoundException
    {

        // returns the Class object for this class
        Class myClass = Class.forName("Test");

        System.out.println("Class represented by myClass: "
                           + myClass.toString());

        // Check if this class is an primitive
        // using isPrimitive() method
        System.out.println("Is Test a primitive: "
                           + myClass.isPrimitive());
    }
}

Output: 

Class represented by myClass: class Test
Is Test a primitive: false

例 2:

Java 语言(一种计算机语言,尤用于创建网站)

// Java program to demonstrate isPrimitive() method

public class Test {
    public static void main(String[] args)
        throws ClassNotFoundException
    {

        // returns the Class object for this class
        Class myClass = int.class;

        // Check if myClass is an primitive
        // using isPrimitive() method
        System.out.println("Is myClass a primitive: "
                           + myClass.isPrimitive());
    }
}

Output: 

Is myClass a primitive: true

参考:T2【https://docs . Oracle . com/javase/9/docs/API/Java/lang/class . html # is primitive–T4】