luchtech

import java.util.ArrayList;
import java.util.Vector;
public class Valid {
	/*
	 * This user-defined class is made by James Carlo Luchavez.
	 * This class is composed of the following Data Validating Methods:
	 * (a) "isDuplicate" returns the index of the given data from the array - Vector, ArrayList, Normal Array
	 * (b) "removeExcessSpace" returns a lowercase string with only one space from each word or element
	 * (c) "firstLetterUp" returns a string with first letters of each word capitalized (for names)
	 * (d) "toInteger" converts a string value to integer

luchtech

import javax.swing.JFrame;

public class MyFirstJFrame extends JFrame {
	public MyFirstJFrame() {
		/*
		 * There are two ways to set the Windows title of the JFrame
		 * One is by passing a string to the "super constructor".
		 * The other one is using the "setTitle" method.
		 */
		

luchtech

import java.awt.GridLayout;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;

public class GUISum extends JFrame{
	

luchtech

import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;

public class ArithmeticOperations extends JFrame {
	/*
	 * Only 3 Swing Components are required in this activity namely:

luchtech

public class SMS
{
	private String inbox[];
	private int smsCount, capacity, balance;
	SMS(){
		capacity = 10;
		inbox = new String[capacity];
		smsCount = 0;
	}
	SMS(int capacity){

luchtech

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;

import javax.swing.JOptionPane;
import javax.swing.JTextArea;

luchtech

import java.util.Scanner;

public class BowlingGame {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		System.out.println("Program: BOWLING SCOREBOARD\n");
		int score, total1 = 0, total2 = 0;
		try{
			System.out.println("\nFirst Try\n");

luchtech

import java.util.Scanner;

public class EvenNum {

	public static void main(String[] args) {
		Scanner sc = new Scanner (System.in);
		System.out.println("Program: EVEN NUMBERS FROM 1-50\n");
		System.out.println("Even Number from 1 to 50...");
		System.out.println("----------using for loop----------");
		for(int i = 1; i<=50; i++) {

luchtech

import java.util.Scanner;

public class numberManipulation {

	static String DecToBinary(int num) {
		if(num <= 0) return ""+num;
		String hold = "";
		while(num!=0) {
			hold = (num%2)+hold;
			num/=2;

luchtech

import java.util.ArrayList;
import java.util.Vector;

public class Magic {
	// DUPLICATE CHECKERS
	static boolean isDuplicate(String s, Vector<String> arr) { // String Array
		for(String x: arr) {
			if(x.equalsIgnoreCase(s)) {
				return true;
			}