Sun Oct 03 2021
Merge Sort
Java Programming1141 views
File Name: merge-sort.java
import java.io.*;
class sort {
int list[];
/* Constructor of the class */
sort(int ... array) {
list = new int[array.length-1];
list = array;
merge(0,array.length-1);
display();
}
void merge(int start, int end) {
if(start < end) {
int center = (start + end) /2;
merge(start, center);
merge(center + 1, end);
mersrt(start, center, end);
}
}
void mersrt(int start,int center, int end) {
int swap[] = new int[end + 1];
int i = start;
int l = start;
int m = center + 1;
swap = list;
while(i <= center && m <= end) {
if (swap[i] <= swap[m]) {
list[l] = swap[i];
i++;
}
else {
list[l] = swap[m];
m++;
}
l++;
}
while (i <= center) {
list[l] = swap[i];
l++;
i++;
}
}
void display() {
System.out.println("Sorted array:");
for(int k:list)
System.out.println(k);
}
}
class mergesort {
public static void main(String args[ ]) {
new sort(6,2,4,1,3,0,5,8,7,9);
}
}
/* Output */
Sorted array:
0
1
2
3
4
5
6
7
8
9
Reference:
Author:Geekboots