JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Program: How to copy or clone a vector?


Description:

Below example shows how to create exactly same object as available vector object. You can use clone() method to create similar copy of vector.


Code:
package com.java2novice.vector;

import java.util.Vector;

public class MyVectorClone {
	public static void main(String a[]){
		Vector<String> vct = new Vector<String>();
		//adding elements to the end
		vct.add("First");
		vct.add("Second");
		vct.add("Third");
		vct.add("Random");
		System.out.println("Actual vector:"+vct);
		Vector<String> copy = (Vector<String>) vct.clone();
		System.out.println("Cloned vector:"+copy);
	}
}

Output:
Actual vector:[First, Second, Third, Random]
Cloned vector:[First, Second, Third, Random]
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List Of All Vector Sample Programs:

  1. Basic Vector Operations.
  2. How to read all elements in vector by using iterator?
  3. How to read all elements in vector by using Enumeration?
  4. How to copy or clone a vector?
  5. How to add all elements of a list to vector?
  6. How to delete all elements from my vector?
  7. How to find does vector contains all list elements or not?
  8. How to copy vector to array?
  9. How to get sub list from vector?
Knowledge Centre
String Vs StringBuffer
We know that String is immutable object. We can not change the value of a String object once it is initiated. If we try to change the value of the existing String object then it creates new object rather than changing the value of the existing object. So incase, we are going to do more modificatios on String, then use StringBuffer. StringBuffer updates the existing objects value, rather creating new object.

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Reference: Java™ Platform Standard Ed. 6 - API Specification | Java is registered trademark of Oracle.
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