Commit d8b51ea3 authored Feb 22, 2022 by Trisha Gee

[Ch9] All chapter code

parent 4537dd1a

src/main/java/ch9/Boo.java

0 → 100644

+38 −0

Changes for src/main/java/ch9/Boo.java: 38 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		package ch9;

		public class Boo {
		public Boo(int i) { }
		public Boo(String s) { }
		public Boo(String s, int i) { }
		}


		class SonOfBoo extends Boo {
		public SonOfBoo() {
		super("boo");
		}

		public SonOfBoo(int i) {
		super("Fred");
		}

		public SonOfBoo(String s) {
		super(42);
		}

		// public SonOfBoo(int i, String s) {
		// }

		// public SonOfBoo(String a, String b, String c) {
		// super(a, b);
		// }

		public SonOfBoo(int i, int j) {
		super("man", j);
		}

		// public SonOfBoo(int i, int x, int y) {
		// super(i, "star");
		// }
		}

		No newline at end of file

src/main/java/ch9/Car.java

0 → 100644

+9 −0

Changes for src/main/java/ch9/Car.java: 9 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		package ch9;

		public class Car {
		private String size;

		public Car(String size) {
		this.size = size;
		}
		}

src/main/java/ch9/ClassName.java

0 → 100644

+7 −0

Changes for src/main/java/ch9/ClassName.java: 7 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		package ch9;

		public class ClassName {
		public ClassName() {
		super();
		}
		}

src/main/java/ch9/DeRef.java

0 → 100644

+9 −0

Changes for src/main/java/ch9/DeRef.java: 9 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		package ch9;

		public class DeRef {
		Duck d = new Duck();

		public void go() {
		d = null;
		}
		}

src/main/java/ch9/Duck.java

+3 −0

Changes for src/main/java/ch9/Duck.java: 3 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -3,6 +3,9 @@ package ch9;
		public class Duck {
		int size;

		public Duck() {
		}

		public Duck(int duckSize) {
		System.out.println("Quack");

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