Replace an object with set(int, Object) method
In this section you will learn
to replace an object from a particular position specified by a index value.
Here is an example that provides the usage of the set(int, object) method in
more detail.
Create a class "VecReplace" with an ArrayList
.Populate it with the integer objects using the add(int,object) method.
Now replace an object from a particular position specified by a index
value using the replace() method.
Here is the Code of the Example :
VecReplace.java
import java.util.*;
public class VecReplace{
public static void main(String args[]){
Vector v = new Vector();
v.add(0,new Integer(10));
v.add(1,new Integer(20));
v.add(2,new Integer(10));
v.add(3,new Integer(20));
v.add(4,new Integer(10));
v.add(5,new Integer(20));
System.out.println("The actual Vector Size: " + v.size());
for(int i=0; i < v.size();i ++){
Integer iw =(Integer) v.get(i);
System.out.println(iw);
}
v.set(2,new Integer(50));
System.out.println("After removing the element from the
position 3, Vector Size: " + v.size());
for(int i=0; i < v.size();i ++){
Integer iw =(Integer) v.get(i);
System.out.println(iw);
}
}
}
|
Here is the Output of the Example :
C:\roseindia>javac VecReplace.java
C:\roseindia>java VecReplace
The actual Vector Size: 6
10
20
10
20
10
20
After removing the element from the position 3, Vector Size: 6
10
20
50
20
10
20 |
|
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