Refactored all solutions

Java/Introduction/Java Currency Formatter/Solution.java

@@ -7,15 +7,13 @@ import java.text.NumberFormat;
 import java.util.Locale;
 
 public class Solution {
-    
     public static void main(String[] args) {
-        /* Read input */
-        Scanner scanner = new Scanner(System.in);
+        /* Save input */
+        Scanner scan = new Scanner(System.in);
         double payment = scanner.nextDouble();
-        scanner.close();
+        scan.close();
 
-        /* Create custom Locale for India. 
-          I used the "IANA Language Subtag Registry" to find India's country code */
+        /* Create custom Locale for India - I used the "IANA Language Subtag Registry" to find India's country code */
         Locale indiaLocale = new Locale("en", "IN");
 
         /* Create NumberFormats using Locales */

Java/Introduction/Java Datatypes/Solution.java

@@ -4,12 +4,10 @@
 
 import java.util.Scanner;
 
-class Solution{
-    public static void main(String []args) {
-
+class Solution {
+    public static void main(String[] args) {
         Scanner scan = new Scanner(System.in);
         int t = scan.nextInt();
-
         for (int i = 0; i < t; i++) {
             try {
                 long x = scan.nextLong();
@@ -26,8 +24,8 @@ class Solution{
                 if (x >= Long.MIN_VALUE && x <= Long.MAX_VALUE) {
                     System.out.println("* long");
                 }
-            } catch(Exception e) {
-                System.out.println(scan.next() +" can't be fitted anywhere.");
+            } catch (Exception e) {
+                System.out.println(scan.next() + " can't be fitted anywhere.");
             }
         }
         scan.close();

Java/Introduction/Java End-of-file/Solution.java

@@ -5,7 +5,6 @@
 import java.util.Scanner;
 
 public class Solution {
-
     public static void main(String[] args) {
         Scanner scan = new Scanner(System.in);
         int i = 1;

Java/Introduction/Java Loops II/Solution.java

@@ -5,14 +5,13 @@
 import java.util.Scanner;
 
 class Solution{
-    public static void main(String []args) {
+    public static void main(String[] args) {
         Scanner scan = new Scanner(System.in);
         int t = scan.nextInt();
         for (int i = 0; i < t; i++) {
             int a = scan.nextInt();
             int b = scan.nextInt();
             int n = scan.nextInt();
-            
             for (int j = 0; j < n; j++) {
                 a += b * (int) Math.pow(2, j);
                 System.out.print(a + " ");

Java/Introduction/Java Output Formatting/Solution.java

@@ -5,16 +5,15 @@
 import java.util.Scanner;
 
 public class Solution {
-
     public static void main(String[] args) {
-            Scanner scan = new Scanner(System.in);
-            System.out.println("================================");
-            for (int i = 0; i < 3; i++) {
-                String s1 = scan.next();
-                int x = scan.nextInt();
-                System.out.format("%-15s%03d%n", s1, x);
-            }
-            System.out.println("================================");
-            scan.close();
+        Scanner scan = new Scanner(System.in);
+        System.out.println("================================");
+        for (int i = 0; i < 3; i++) {
+            String s1 = scan.next();
+            int x = scan.nextInt();
+            System.out.format("%-15s%03d%n", s1, x);
+        }
+        scan.close();
+        System.out.println("================================");
     }
 }