Naming changes.

Java/lab_1/lab_1.java

@@ -1,7 +1,7 @@
 import java.util.Scanner;
 
-public class Lab_1 {
-
+public class lab_1 {
+    
     public static int protectedInput(String variable_to_read, Scanner input) {
         int read_variable;
         do {

Java/lab_2/lab_2.java

@@ -1,6 +1,6 @@
 import java.util.Scanner;
 
-public class Lab_2 {
+public class lab_2 {
 
     public static short protectedInput(String inputPrompt, String errorMessage, Scanner input) {
         short read_variable;