[Ch1] All code samples from chapter one book added. (f273f022) · Commits · examples / Head First Java 3rd Edition

src/main/java/ch1/DooBee.java

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Changes for src/main/java/ch1/DooBee.java: 31 added lines, 0 removed lines.
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		package ch1;

		public class DooBee {
		public static void main(String[] args) {
		int x = 1;
		while (x < 3) {
		System.out.print("Doo");
		System.out.print("Bee");
		x = x + 1;
		}
		if (x == 3) {
		System.out.print("Do");
		}
		}
		}

		//% java DooBee
		//DooBeeDooBeeDo


		// public static void main (String[] args) {
		// int x = 1;
		// while (x < _____ ) {
		// System.out._________("Doo");
		// System.out._________("Bee");
		// x = x + 1;
		// }
		// if (x == ______ ) {
		// System.out.print("Do");
		// }
		// }

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Changes for src/main/java/ch1/FirstJavaClass.java: 56 added lines, 0 removed lines.
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		package ch1;

		import java.io.FileNotFoundException;

		public class FirstJavaClass {
		private static int x;

		public static void main(String[] args) {
		int size = 27;
		String name = "Fido";
		Dog myDog = new Dog(name, size);
		x = size - 5;
		if (x < 15) myDog.bark(8);

		while (x > 3) {
		myDog.play();
		}

		int[] numList = {2, 4, 6, 8};
		System.out.print("Hello");
		System.out.print("Dog: " + name);
		String num = "8";
		int z = Integer.parseInt(num);

		try {
		readTheFile("myFile.txt");
		}
		catch (FileNotFoundException ex) {
		System.out.print("File not found.");
		}

		}

		private static void readTheFile(String s) throws FileNotFoundException {

		}

		}

		class Dog {
		private final String name;
		private final int size;

		public Dog(String name, int size) {
		this.name = name;
		this.size = size;
		}

		public void bark(int i) {

		}

		public void play() {

		}
		}

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Changes for src/main/java/ch1/IfTest2.java: 13 added lines, 0 removed lines.
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		package ch1;

		class IfTest2 {
		public static void main(String[] args) {
		int x = 2;
		if (x == 3) {
		System.out.println("x must be 3");
		} else {
		System.out.println("x is NOT 3");
		}
		System.out.println("This runs no matter what");
		}
		}
		No newline at end of file

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Changes for src/main/java/ch1/Party.java: 15 added lines, 0 removed lines.
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		package ch1;

		import java.awt.*;
		import java.awt.event.*;

		class Party {
		public void buildInvite() {
		Frame f = new Frame();
		Label l = new Label("Party at Tim's");
		Button b = new Button("You bet");
		Button c = new Button("Shoot me");
		Panel p = new Panel();
		p.add(l);
		} // more code here...
		}
		No newline at end of file

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Changes for src/main/java/ch1/Snippets.java: 48 added lines, 0 removed lines.
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		package ch1;

		public class Snippets {
		void statements() {
		int x = 3;
		String name = "Dirk";
		x = x * 17;
		System.out.print("x is " + x);
		double d = Math.random();
		// this is a comment
		}

		void looping(int x) {
		while (x > 12) {
		x = x - 1;
		}

		for (int i = 0; i < 10; i = i + 1) {
		System.out.print("i is now " + i);
		}
		}

		void conditions(int x, String name) {
		if (x == 10) {
		System.out.print("x must be 10");
		} else {
		System.out.print("x isn't 10");
		}
		if ((x < 3) & (name.equals("Dirk"))) {
		System.out.println("Gently");
		}
		System.out.print("this line runs no matter what");
		}

		void booleanTests() {
		int x = 4; // assign 4 to x
		while (x > 3) {
		// loop code will run because
		// x is greater than 3
		x = x - 1; // or we’d loop forever
		}
		int z = 27; //
		while (z == 17) {
		// loop code will not run because
		// z is not equal to 17
		}
		}
		}