#2.1 Variables #2.2 different types #2.3 Naming Variables #2.4 The Assignment Statement #2.5 Constants #2.6 Java Comments #2.7 All of the Java Numeric Types #2.8 Arithmetic #2.9 Mixing Numeric Types #2.10 Incrementing a Variable #2.11 Integer Division and Remainder #2.12 Powers and Roots #2.13 Floating-Point to Integer Conversion #2.14 Input and Output #2.15 Strings #2.16 String Input #2.17 String Escape Sequences #2.18 Copying portion of a String

#3.1 program that takes two integers from the user and prints the larger of the two numbers #3.2 Exercises-1 #3.3 true and false #3.4 Exercises-2 #3.5 ميد1 #3.6 ميد1 #3.7 ميد1 #3.8 أختياري ميد1 #3.9 Exercises-3 #3.10 Exercises-4 #3.11 Exercises-4 #3.12 Exercises-5 #3.13 Exercises-6 #3.14 ميد1-أختياري #3.15 code - mid1 #3.16 code Vowel character -mid1 #3.17 Program-mid1

#4.1 The if Statement #4.2 Operator Precedence #4.3 Multiple Alternatives #4.4 switch #4.5 And -or-not #4.6 Boolean Variables #4.7 and-or-not

#5.1 while Loop #5.2 while Loop Examples #5.3 Hand-Tracing #5.4 for Statement #5.5 do Loop #5.6 Sum and Average Examples #5.7 Counting Matches #5.8 Nested Loops