Java 中的 CompositeName size()方法，带示例

原文:https://www . geesforgeks . org/composite name-size-method-in-Java-with-examples/

一个 javax.naming.CompositeName 类的 size() 方法用于返回复合名称对象的大小，该大小等于该复合名称中的组件数量。

语法:

public int size()

参数:此方法不接受任何内容。

返回值:该方法返回该组合名称中非负数的组件数。

下面的程序说明了 CompositeName.size()方法: 程序 1:

// Java program to demonstrate
// CompositeName.size()

import java.util.Properties;
import javax.naming.CompositeName;
import javax.naming.InvalidNameException;

public class GFG {
    public static void main(String[] args)
        throws InvalidNameException
    {

        // create composite name object
        CompositeName CompositeName1
            = new CompositeName(
                "1/2/3/4/5/6/7/8/9/0");

        // apply size()
        int size = CompositeName1.size();

        // print value
        System.out.println("size: "
                           + size);
    }
}

Output:

size: 10

程序 2:

// Java program to demonstrate
// CompositeName.size() method

import java.util.Properties;
import javax.naming.CompositeName;
import javax.naming.InvalidNameException;

public class GFG {
    public static void main(String[] args)
        throws InvalidNameException
    {
        // create composite name object
        CompositeName CompositeName1
            = new CompositeName(
                "c/e/d/v/a/y/x/f");

        // apply size()
        int size = CompositeName1.size();

        // print value
        System.out.println("size:" + size);
    }
}

Output:

size:8

参考文献:https://docs . Oracle . com/javase/10/docs/API/javax/naming/composite name . html # size()

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