Knowledge Walls
John Peter
Pune, Maharashtra, India
How to use binary search method in java
2051 Views
BinarySearchExample
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class BinarySearchExample {
    public static void main(String args[]){
        List<String> dataList = new ArrayList<String>();
            dataList.add("Ball");
            dataList.add("Apple");
            dataList.add("Dog");
            dataList.add("Cat");
        
        //Before doing binary search list should be sorted..
        Collections.sort(dataList);
        
        //Data list Object sorted..
        System.out.println(dataList);
        
        //Binarysearch method to search a string from list of strings
        System.out.println(Collections.binarySearch(dataList, "Ball"));
        System.out.println(Collections.binarySearch(dataList, "Eagle"));
        System.out.println(Collections.binarySearch(dataList, "Apple"));
    }
}
Output 
Previous Topics
Previous lessons of current book.
Computer software engineer articles of One day One Thing to Know
Computer software engineer articles of One day One Thing to Know
Best Lessons of "One day One Thing to Know"
Top lessons which are viewed more times.
  Copyright © 2014 Knowledge walls, All rights reserved
KnowledgeWalls
keep your tutorials and learnings with KnowledgeWalls. Don't lose your learnings hereafter. Save and revise it whenever required.
Click here for more details