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--- cplusplus:control_structures_selection [2013/02/08 02:10] – [Comparing characters and strings] mithat
+++ cplusplus:control_structures_selection [2017/01/31 23:57] (current) – [C++ logical operators] mithat
@@ Line 4: / Line 4: @@
 ====== Control Structures: Selection ======
 Mithat Konar\\
--02-03
 ===== Introduction =====
@@ Line 15: / Line 14: @@
   * Three kinds of control structures are used in C++ and many other languages:
-    * **Sequence control**
+    * **Sequence**
       * Statements are executed one after the other.
       * This is C++'s default behavior!
@@ Line 27: / Line 26: @@
 ===== Single-entry/single-exit structures =====
-  * **Single-entry/single-exit structures**:
+  * Control structures that are entered from one point and exited from one point.
-    * Control structures that are entered from one point and exited from one point.
+  * Connect the exit point of one control structure to entry point of the next: **control-structure stacking**.
-    * Connect the exit point of one control structure to entry point of the next: **control-structure stacking**.
+  * Makes programs easy to build.
-    * Makes programs easy to build.
 ===== Selection structures =====
-  * There are four selection structures available in C++:
+  * Four selection structures available in C++:
     * //if//
     * //if/else//
     * //nested if/else//
     * //switch//
+  * Also has a ternary //conditional operator// that performs selection.
 ===== if selection structure =====
@@ Line 186: / Line 185: @@
   * ''&&'' (logical AND)
     * Takes two operands
-    * Returns ''true'' if //both// operands are ''true'', ''false'' otherwise.
+    * Returns ''true'' if //both// operands are ''true'', returns ''false'' otherwise.
   * ''||'' (logical OR)
     * Takes two operands
-    * Returns ''true'' if //either// operand is ''true'', ''false'' otherwise.
+    * Returns ''true'' if //either// operand is ''true'', returns ''false'' otherwise.
   * ''!'' (logical NOT, logical negation)
     * Takes one operand
@@ Line 249: / Line 248: @@
 ===== Comparing characters and strings =====
-  * See Gaddis 4.12, examples Pr4-20, Pr4-21,
+  * [[selection_examples#comparing_characters|Comparing characters example]]
+  * See Gaddis 4.12 (programs Pr4-20.cpp and Pr4-21.cpp).
+===== switch structure =====
+  * [[selection_examples#switch|simple switch example]]
+  * See Gaddis 4.14 (programs Pr4-23.cpp to Pr4-27.cpp).
 ===== The conditional operator =====
@@ Line 259: / Line 263: @@
     * Examples:<code c++>y = x<0 ? -1.0*x : x;
 w = x<0 ? y=10 : z=20;</code>
-===== switch structure =====
-  * See Gaddis 4.14.
 ===== More about blocks and scope =====
-  * See Gaddis 4.15.
+  * See Gaddis 4.15 (programs Pr4-28.cpp to Pr4-30.cpp).