The life of TB

# Animal.java public class Animal { private String name; public Animal() { } public Animal(String name) {this.name = name; } public String getName() { return name; } @Override public String toString() { return String.format("%s, %s\n", getClass(), this.name); } @Override public boolean equals(Object obj) {if (obj == null) { return false;}if (!(obj instanceof Animal)) { return false;}return (this..

Java 2016. 7. 8. 21:59

package GenericMethods; import java.util.Random; public class Driver { private static final int SIZE = 10; public static void main(String[] args) {// we CANT'Y use primitive types in Generics!Integer[] myInts;myInts = new Integer[SIZE];Random r = new Random();for (int i = 0; i < myInts.length; i++) { myInts[i] = r.nextInt(SIZE);}for (Integer myInt : myInts) { System.out.println(myInt);} swapItem..

Java 2016. 7. 8. 21:45

# Button.java package InnerClasses; public class Button{private String title;private OnClickListener onClickListener; public Button(String title){this.title = title;} public String getTitle(){return title;} public void setOnClickListener (OnClickListener onClickListener){this.onClickListener = onClickListener;}public void onClick(){this.onClickListener.onClick(this.title);}public interface OnCli..

Java 2016. 7. 5. 21:04

package ArrayListChallenge; public class Contact{private String name;private String phoneNumber; public Contact(String name, String phoneNumber){this.name = name;this.phoneNumber = phoneNumber;} public String getName(){return name;} public String getPhoneNumber(){return phoneNumber;} public static Contact createContact(String name, String phoneNumber){return new Contact(name, phoneNumber);}} pac..

Java 2016. 7. 4. 10:44

package ArrayChallenge; import java.util.Scanner; public class Main{private static Scanner scanner = new Scanner(System.in); public static void main(String[] args){int[] myInt = getIntegers(5);int[] sorted = sortIntegers(myInt);printArray(sorted);} public static void printArray(int[] array){for (int i = 0; i < array.length; i++){System.out.println("Element " + i + " contents " + array[i]);}} pri..

Java 2016. 7. 1. 21:46

# Map + List combining collections import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map; public class cc{public static void main(String[] args){Map testScores = new HashMap();List mikeScores = new ArrayList(); mikeScores.add(80);mikeScores.add(60);mikeScores.add(50); testScores.put("mike", mikeScores);printScores("mike", testScores);} public static void ..

Java 2016. 6. 29. 16:06

# IMachine.java package printing; public interface IMachine{public void turnOn();public void turnOff();public boolean isOn();} # Machine.java package printing; public class Machine implements IMachine{protected boolean isOn; public Machine(boolean isOn){this.isOn = isOn;}public void turnOn(){isOn = true;System.out.println("Machine is On!");} public void turnOff(){isOn = false;} @Overridepublic b..

Java 2016. 6. 29. 11:23

// Use StringBuilder for string concatenation in loops. package string; public class StringTest{public static String padChars1(int n, String orig){String result = "";for (int i = 0; i < n; i++){result = result + orig;}return result;} public static String padChars2(int n, String orig){StringBuilder result = new StringBuilder("");for (int i = 0; i < n; i++){result = result.append(orig);}return res..

Java 2016. 6. 28. 16:52