Java Vector - setSize() Method
The java.util.Vector.setSize() method is used to set the size of the vector. If the new size is greater than the current size, new null items are added to the end of the vector. If the new size is less than the current size, all components at index newSize and greater are discarded.
Syntax
public void setSize(int newSize)
Parameters
newSize |
Specify new size of the vector. |
Return Value
void type.
Exception
Throws ArrayIndexOutOfBoundsException, if the new size is negative.
Example:
In the example below, the java.util.Vector.setSize() method is used to set the size of the vector called MyVector.
import java.util.*;
public class MyClass {
public static void main(String[] args) {
//creating a vector
Vector<Integer> MyVector = new Vector<Integer>();
//populating vector
MyVector.add(10);
MyVector.add(20);
MyVector.add(30);
MyVector.add(40);
MyVector.add(50);
System.out.println("MyVector contains: " + MyVector);
MyVector.setSize(3);
System.out.println("MyVector contains: " + MyVector);
MyVector.setSize(5);
System.out.println("MyVector contains: " + MyVector);
}
}
The output of the above code will be:
MyVector contains: [10, 20, 30, 40, 50] MyVector contains: [10, 20, 30] MyVector contains: [10, 20, 30, null, null]
❮ Java.util - Vector
