Java 中的 CompoundName 等于()方法，示例
原文:https://www . geesforgeks . org/compound name-equals-method-in-Java-with-examples/
javax.naming.CompoundName 类的 equals() 方法用于将此 CompoundName 与作为参数传递的指定对象进行比较，并检查两个对象是否相等。如果两个对象相等，那么 equals()方法返回 true，否则返回 false。如果传递的 obj 为 null 或不是复合名称，则该方法返回 false。如果一个对象中的每个组件与另一个对象中的相应组件相等，则两个复合对象相等。
语法:
public boolean equals(Object obj)
参数:该方法接受对象，该对象是非空对象进行比较。
返回值:如果 obj 等于这个复合名称，这个方法返回 true，否则返回 false。
下面的程序说明了 CompoundName.equals()方法: 程序 1:
// Java program to demonstrate
// CompoundName.equals()
import java.util.Properties;
import javax.naming.CompoundName;
import javax.naming.InvalidNameException;
public class GFG {
public static void main(String[] args)
throws InvalidNameException
{
// need properties for CompoundName
Properties props = new Properties();
props.put("jndi.syntax.separator", ":");
props.put("jndi.syntax.direction",
"left_to_right");
// create compound name object
CompoundName CompoundName1
= new CompoundName(
"x:y:z", props);
CompoundName CompoundName2
= new CompoundName(
"x:y:m", props);
// apply equals()
boolean flag
= CompoundName1
.equals(CompoundName2);
// print value
if (flag)
System.out.println(
"CompoundName1 is "
+ "equal to CompoundName2");
else
System.out.println(
"CompoundName1 is "
+ "not equal to CompoundName2");
}
}
Output:
CompoundName1 is not equal to CompoundName2
程序 2:
// Java program to demonstrate
// CompoundName.equals() method
import java.util.Properties;
import javax.naming.CompoundName;
import javax.naming.InvalidNameException;
public class GFG {
public static void main(String[] args)
throws InvalidNameException
{
// need properties for CompoundName
Properties props = new Properties();
props.put("jndi.syntax.separator", "@");
props.put("jndi.syntax.direction",
"left_to_right");
// create compound name object
CompoundName CompoundName1
= new CompoundName(
"x@y@z@M@n", props);
CompoundName CompoundName2
= new CompoundName(
"x@y@z@M@n", props);
// apply equals()
boolean flag
= CompoundName1.equals(CompoundName2);
// print value
if (flag)
System.out.println(
"CompoundName1 is "
+ "equal to CompoundName2");
else
System.out.println(
"CompoundName1 is "
+ "not equal to CompoundName2");
}
}
Output:
CompoundName1 is equal to CompoundName2
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