 What does “The Play Button” do?  “javac.exe YourClass.java”  Compilation  “java YourClass”  Execution on the Java Virtual Machine  Input & Output  To and from the console  JOptionPane?

 Strings & String operations  Concatenation, charAt, substring

 Scanner Input (console input  println() Output  Import statements

 Boolean expressions (<,<=, !=, ==, …)  Boolean variables  If “tests”  Loop “tests”  AND, OR, and NOT  Know the truth tables  Given p and q

 Single IFs  If( test ) {  }  IF/ELSE  If(test) {  } else {  }  Chained IF/ELSE  If(test1) {  } else if {  } else {  }

 Decision Statements (Selection Control Structures)  Switch statements  Loops (Repetition Control Structures)  For  While  Do/While

 Break and Continue  “==“ versus “=“ versus “.equals( “foo” )”  “Tracing variables” (is debugging)  Variable Scope  Local and Class wide

 Sum the first 10 numbers  Produce an average given 12 numbers  Draw a box of stars  Draw a triangle of stars

??

 Closed book/notes, short questions  3-5 big questions  3-5 medium questions  3-5 small questions

 Write a few lines of code that does Y  Write a function that X  Write a main that does z  What does the following code do?  What does it output?  Tracing code  What is the result of the following line(s) of code?

 Labs!  HWs!  Lectures & In Class Demos  Savitch

 File IO  Try/Catch  printf