Java Basics: Java implementation of __java binary query

Source: Internet
Author: User
public class Binarysearchclass {public static int binary_search (int[] array, int value) {int is  
        Ginindex = 0;//low subscript int endindex = array.length-1;//high subscript int midindex =-1;  
                while (Beginindex <= endindex) {Midindex = Beginindex + (endindex-beginindex)/2;//Prevent overflow  
                if (value = = Array[midindex]) {return midindex;  
                else if (value < Array[midindex]) {endindex = midIndex-1;  
                else {beginindex = Midindex + 1;  
            }} return-1;  
        Found, return the subscript of the found value, not found, return-1}//start Tip: Automatic marking starting unique identification, do not delete or increase.  
               public static void Main (string[] args) {System.out.println ("Start ...");  
            int[] myarray = new int[] {1, 2, 3, 5, 6, 7, 8, 9}; System.out.println ("Find subscript for number 8:");          
        System.out.println (Binary_search (myarray, 8));  
    //end//Hint: Automatic marking end Unique identification, do not delete or increase.      }

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