first commit

src/P164_AreaRectangulo.java

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+//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
+// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
+void main() {
+  //TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
+  // to see how IntelliJ IDEA suggests fixing it.
+  IO.println(String.format("Hello and welcome!"));
+
+  for (int i = 1; i <= 5; i++) {
+    //TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
+    // for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
+    IO.println("i = " + i);
+  }
+}