Create 13B. Expression Statements Values+++

Week 7: Enum, Generic Type, Streams, write to file, class diagram/13B. Expression Statements Values+++

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+row1
+int a = 3;
+int b = a++ + 1;
+
+a = 4; // a++
+b = 4; // initial 'a' 3 + 1
+
+
+row2
+int a = 3;
+int b = ++a + 1;
+
+a = 4; // ++a
+b = 5; // updated 'a' 4 + 1
+
+
+
+row3
+int a = 1;
+int b = ++a + ++a;
+
+a = 3; // ++a then ++a again
+b = 5; // LHS ++a 2 + RHS ++a 3
+
+
+
+row 4
+int a = 3;
+int b = a++ + a--;
+
+a = 3; // a++ then a--
+b = 7; // initial 'a' 3 + LHS 'a' 4
+
+
+
+row5
+int a = 3;
+int b = --a; // --a => so 'a' decrease from 3 to 2, AND b = updated 'a' = 2
+a = --b; // --b => so 'b' decrease from 2 to 1, AND a = updated 'b' = 1
+
+a = 1;
+b = 1;
+
+
+