Create 16a. continue clause

Week 1: Types, condition clauses and loops/16a. continue clause

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+it jumps back to the start line of the loop and the condition clause is evaluated again
+when using the for loop, the CHANGE part is executed again BEFORE the evaluation of the CONDITION clause
+
+VS
+
+but when using the WHILE clause, continue can easily lead to a perpetual loop.
+
+The following example attempts to print squares of even values.
+However, the program remains in a perpetual loop: the continue statement aborts the loop, so the value of the number variable is not changed either.
+
+public class Example {
+    public static void main(String[] args) {
+        // Program tries to calculate the squares of
+        // even elements
+        int num = 1;
+        while (num <= 30) {
+            // This causes an INFINITE LOOP, because
+            // variable num value never grows after
+            // the first odd value
+            if (luku % 2 == 1) {
+                continue;
+            }
+
+            int square = num * num;
+            System.out.println("The square of the number is: " + square);
+            num++;
+        }
+    }
+}
+
+