Intellij settings
Added Java code Example1.java
Added Java code Example2.java
Added Java code Example3.java
Added Java code GalToLit.java
Added Java code IfDemo.java
Added Java code ForDemo.java
Added Java code BlockDemo.java
Added Java code GalToLitTable.java
Added chapter1 package
Intellij settings
Added Java code Inches.java
Added Java code Hypot.java
Added Java code CharArithDemo.java
Added Java code BoolDemo.java
Added Java code Sound.java
Added Java code StrDemo.java
Added Java code DaynInit.java
Added Java code ScopeDemo.java
Added Java code VarInitDemo.java