Split a Vector into Multiple Smaller Vectors in Java
Last Updated :
09 Feb, 2024
In the realm of Java programming, the manipulation of vectors is a common task. One particularly useful operation is splitting a vector into multiple smaller vectors. This article aims to provide a detailed guide on achieving this in Java, catering to both beginners and experienced developers.
Prerequisites
Before diving into the intricacies of splitting vectors, it’s essential to ensure you have a working knowledge of Java-Programming-Basics. Familiarity with Vector-Operations and Data Structures will be advantageous. Additionally, make sure you have a Java development environment set up on your system.
How to Split a Vector into Multiple Smaller Vectors in Java?
Vectors in Java are dynamic arrays that can grow or shrink in size. Splitting a vector involves dividing it into smaller vectors, each containing a subset of the original elements. This operation is particularly useful when dealing with large datasets or when specific portions of a vector need separate processing.
To illustrate, imagine a vector with elements [1, 2, 3, 4, 5, 6]. Splitting it into two smaller vectors might result in [1, 2, 3] and [4, 5, 6].
Program to Split a Vector into Multiple Smaller Vectors In Java
Example 1: Splitting a Vector into Equal Parts
Let’s start with a straightforward example of dividing a vector into two equal parts. Consider the following Java code snippet:
Java
import java.util.List;
import java.util.Vector;
public class VectorSplitter {
public static void main(String[] args)
{
Vector<Integer> originalVector
= new Vector<>(List.of( 1 , 2 , 3 , 4 , 5 , 6 ));
int middleIndex = originalVector.size() / 2 ;
Vector<Integer> firstHalf = new Vector<>(
originalVector.subList( 0 , middleIndex));
Vector<Integer> secondHalf
= new Vector<>(originalVector.subList(
middleIndex, originalVector.size()));
System.out.println( "First Half: " + firstHalf);
System.out.println( "Second Half: " + secondHalf);
}
}
|
Output
First Half: [1, 2, 3]
Second Half: [4, 5, 6]
Example 2: Splitting a Vector Based on a Condition
In some scenarios, you might want to split a vector based on a specific condition. Let’s say we want to split a vector into odd and even elements:
Java
import java.util.List;
import java.util.Vector;
public class ConditionalVectorSplitter {
public static void main(String[] args)
{
Vector<Integer> originalVector
= new Vector<>(List.of( 1 , 2 , 3 , 4 , 5 , 6 ));
Vector<Integer> oddVector = new Vector<>();
Vector<Integer> evenVector = new Vector<>();
for (Integer element : originalVector) {
if (element % 2 == 0 ) {
evenVector.add(element);
}
else {
oddVector.add(element);
}
}
System.out.println( "Odd Elements: " + oddVector);
System.out.println( "Even Elements: " + evenVector);
}
}
|
Output
Odd Elements: [1, 3, 5]
Even Elements: [2, 4, 6]
This example splits the vector into two smaller vectors based on whether the elements are odd or even.
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