update:

- ignore meta-inf
	- Change c style args array in main. (recommended by IDE)
	- build with java 1.8.x

.gitignore

@@ -4,3 +4,4 @@
 
 #build output
 out/
+META-INF/

lab-01/.idea/misc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

lab-01/src/Program.java

@@ -1,7 +1,7 @@
 import java.io.PrintStream;
 
 public class Program {
-    public static void main(String args[]){
+    public static void main(String[] args){
 
         PrintStream out = System.out;