The remove() method of a javax.naming.CompositeName class is used to remove a component situated at position posn from this composite name. The position posn is passed as a parameter to this method. This method removes the component of this composite name object at position ‘posn’ and components present at a position greater than ‘posn’ are shifted down by one. The size of the object is decreased by 1.
Syntax:
public Object remove(int posn)
throws InvalidNameException
Parameters: This method accepts posn which is the index of the component to delete. Must be in the range [0, size()).
Return value: This method returns component removed (a String).
Exception: This method throws ArrayIndexOutOfBoundsException If posn is outside the specified range (includes the case where composite name is empty) and InvalidNameException If deleting the component would violate the composite name’s syntax.
Below programs illustrate the CompositeName.remove() method:
Program 1:
// Java program to demonstrate// CompositeName.remove() 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( "a/b/d/e/g/h/j/k/l"); // apply remove() String removedComponent = (String) CompositeName1.remove(5); // print value System.out.println( "Removed Component: " + removedComponent); System.out.println( "CompositeName After removal: " + CompositeName1); }} |
Removed Component: h CompositeName After removal: a/b/d/e/g/j/k/l
Program 2:
// Java program to demonstrate// CompositeName.remove() 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( "aa/bb/cc/dd/ee/ff/gg/hh"); // apply remove() String removedComponent1 = (String) CompositeName1.remove(1); // print value System.out.println("Removed Component: " + removedComponent1); System.out.println("CompositeName After removal: " + CompositeName1); // again remove component String removedComponent2 = (String) CompositeName1.remove(2); // print results System.out.println( "Removed Component: " + removedComponent2); System.out.println( "CompositeName After removal: " + CompositeName1); }} |
Removed Component: bb CompositeName After removal: aa/cc/dd/ee/ff/gg/hh Removed Component: dd CompositeName After removal: aa/cc/ee/ff/gg/hh
References: https://docs.oracle.com/javase/10/docs/api/javax/naming/CompositeName.html#remove(int)
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