restructured the code

JAVA/Input.java

@@ -6,9 +6,10 @@
 import java.util.*;
 class input
 {
-	static void scanner_input()
+	static void scanner_input ()
 	{
 		Scanner sc = new Scanner(System.in);
+
 		System.out.println("Enter a string(using Scanner)");
 		String s = sc.nextLine();
 		System.out.println("Entered String is : "+s);
@@ -17,7 +18,7 @@ static void scanner_input()
 		System.out.println("Entered number is : "+n);
 	}
 
-	static void buffered_input() throws IOException
+	static void buffered_input () throws IOException
 	{ 
 		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
 
@@ -29,15 +30,15 @@ static void buffered_input() throws IOException
 		System.out.println("Entered number is : "+n);	
 	}
 
-	static void right_shift()
+	static void right_shift ()
 	{
 		Scanner sc = new Scanner(System.in);
 		System.out.println("Enter a number");
 		int num = sc.nextInt();
 		System.out.println("After shifting :"+(num>>3));
 	}
 
-	public static void main(String[] args) 
+	public static void main (String[] args) 
 	{
 		String s = args[0];
 		double d = Double.parseDouble(args[1]);
@@ -51,7 +52,7 @@ public static void main(String[] args)
 		{
 			buffered_input();
 		}
-		catch(Exception e)
+		catch (Exception e)
 		{
 			System.out.println(e);
 		}

JAVA/addcomplex.java

@@ -5,17 +5,23 @@
 class number
 {
 	int real,im;
-	number()
-	{ real=0; im=0; }
-	number(int r,int i)
+
+	number ()
+	{
+		real=0; im=0;
+	}
+
+	number (int r,int i)
 	{
 		real=r; im=i;
 	}
-	void display()
+
+	void display ()
 	{
 		System.out.println(" Number is "+real+"+"+im+"i");
 	}
-	number add(number num)
+
+	number add (number num)
 	{
 		number answer = new number();
 		answer.real =real+num.real;
@@ -26,21 +32,27 @@ number add(number num)
 
 class addcomplex
 {
-	public static void main(String[] args) 
+	public static void main (String[] args) 
 	{   
 		Scanner sc = new Scanner(System.in);
+
 		System.out.println("Enter real part of 1st number ");
-		int realnum=sc.nextInt();
+		int realnum = sc.nextInt();
+
 		System.out.println("Enter imaginary part of 1st number ");
-		int imaginary=sc.nextInt();
+		int imaginary = sc.nextInt();
 		number c1 = new number(realnum,imaginary);
+
 		System.out.println("Enter real part of 2nd number ");
-		int realnum1=sc.nextInt();
+		int realnum1 = sc.nextInt();
+
 		System.out.println("Enter imaginary part of 2nd number ");
-		int imaginary1=sc.nextInt();
-        number c2 = new number(realnum1,imaginary1);
+		int imaginary1 = sc.nextInt();
+
+		number c2 = new number(realnum1, imaginary1);
         number c3 = new number();
         c3 = c1.add(c2);
+
         c3.display(); 
 	}
 }

JAVA/grade.java

@@ -4,18 +4,18 @@
 import java.util.*;
 class grade
 {
-	public static void main(String[] args) 
+	public static void main (String[] args) 
 	{
 		Scanner sc = new Scanner(System.in);
 		System.out.println("Enter marks of student");
 		int marks = sc.nextInt();
 
-		if(marks > 100)
+		if (marks > 100)
 			marks = -1;
 		else
 			marks = marks/10;
 
-		switch(marks)
+		switch (marks)
 		{
 			case 10:
 			case 9:	System.out.println("Grade : A");