[Ch6] Boolean operator snippets (67f309a5) · Commits · examples / Head First Java 3rd Edition

src/main/java/ch6/Snippets.java

+46 −0

Changes for src/main/java/ch6/Snippets.java: 46 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -22,4 +22,50 @@ public class Snippets {

		myList.remove(egg1);
		}

		void andExample(int price, String camera) {
		if (price >= 300 && price < 400) {
		camera = "X";
		}
		}

		void orExample(String brand) {
		if (brand.equals("A") \|\| brand.equals("B")) {
		// do stuff for only brand A or brand B
		}
		}

		void longBoolean(String zoomType, int zoomDegree) {
		if ((zoomType.equals("optical") &&
		(zoomDegree >= 3 && zoomDegree <= 8)) \|\|
		(zoomType.equals("digital") &&
		(zoomDegree >= 5 && zoomDegree <= 12))) {
		// do appropriate zoom stuff
		}
		}

		void notEqualInt(int model) {
		if (model != 2000) {
		// do non-model 2000 stuff
		}
		}

		void notEqualString(String brand) {
		if (!brand.equals("X")) {
		// do non-brand X stuff
		}
		}

		void shortCircuit(SomeType refVar) {
		if (refVar != null &&
		refVar.isValidType()) {
		// do ‘got a valid type’ stuff
		}
		}

		private class SomeType {
		public boolean isValidType() {
		return false;
		}
		}
		}