1 Chapter 3: Loops and Logic. 2 Control Statements If statement Example NumberCheck.java Relational operators (, >=, ==, !=) Using code blocks with If.

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Presentation transcript:

1 Chapter 3: Loops and Logic

2 Control Statements If statement Example NumberCheck.java Relational operators (, >=, ==, !=) Using code blocks with If The else statement Nested If Example: LetterCheck.java

3 &&, &, ||, |, ! They are working upon logical expressions to produce true/false What is the difference between &&, & (short cutting) The standard Library character manipulation classes (Character.isUpperCase(), etc.) Logical Operators

4 It has the following form and always returns a value of one of the two exps. Logical exp? exp1:exp2; Example: ConditionalOp.java The switch statement can perform multiple selections. Using the break statement Local variables are visible only in limited scope Example: Scope.java Conditional Operator and switch

5 Different types (for, while, do—while) Initialization, test, & increment conditions Loop counters can be int or float Nested loops, example Factorial.java Break, continue, labeled break and continue Assertion: “assert logical-exp;” Compile with “-source 1.4” and run with “-ea”, example TryAssertions.java Loops