Moditied Others folder .java file name and class name

Others/Dijkshtra.java

@@ -9,7 +9,7 @@ import java.util.Arrays;
 import java.util.Scanner;
 import java.util.Stack;
 
-public class Solution {
+public class Dijkshtra {
 
 public static void main(String[] args) throws IOException {
 	  Scanner in =new Scanner(System.in);

Others/InsertDeleteInArray.java

@@ -1,5 +1,5 @@
 import java.util.*;
-public class Array {
+public class InsertDeleteInArray {
 
 	public static void main(String[] args) {
 		Scanner s = new Scanner(System.in); // Input statement

Others/RootPrecision.java

@@ -4,7 +4,7 @@ import java.text.*;
 import java.math.*;
 import java.util.regex.*;
 
-public class Solution {
+public class RootPrecision {
 
     public static void main(String[] args) {
 	//take input    

Others/StackPostfixNotation.java

@@ -1,6 +1,6 @@
 import java.util.*;
 
-public class Postfix {
+public class StackPostfixNotation {
     public static void main(String[] args) {
          Scanner scanner = new Scanner(System.in);
         String post = scanner.nextLine();   // Takes input with spaces in between eg. "1 21 +"