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public class SubstringExample{
public static void main(String args[]){
String s1="javatpoint";
System.out.println(s1.substring(2,4));//returns va
System.out.println(s1.substring(2));//returns vatpoint
}}
public class IndexOfExample{
public static void main(String args[]){
String s1="this is index of example";
//passing substring
int index1=s1.indexOf("is");//returns the index of is substring
int index2=s1.indexOf("index");//returns the index of index substring
System.out.println(index1+" "+index2);//2 8
//passing substring with from index
int index3=s1.indexOf("is",4);//returns the index of is substring after 4th index
<html lang=en>
<head>
<meta charset=utf-8>
<title>Javascript gravity</title>
<style>
* { padding: 0; margin: 0; }
canvas { background: #eee; display: block; margin: 0 auto; }
</style>
</head>
<body onload="init()">
<html lang=en>
<head>
<meta charset=utf-8>
<title>Names</title>
<style>
* { padding: 2; margin: 2; }
canvas { background: #eee; display: block; margin: 0 auto; }
</style>
</head>
<body onload="init()">
@memish
memish / .java
Last active October 16, 2017 23:43
ArrayLists Example
import java.util.*;
public class ArrListExample {
public static void main(String[] args) {
Scanner userInput = new Scanner(System.in);
ArrayList<String> cityPop = new ArrayList<String>();
import java.io.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.AffineTransform;
import java.awt.image.*;
import javax.imageio.*;
import javax.swing.*;
import java.awt.AlphaComposite;
import java.awt.Graphics2D;
@memish
memish / Student.java
Created October 19, 2017 21:23
4 Files Listed Below
import java.util.Scanner;
//STARTER CLASS
public class StudentStarter
{
public StudentStarter()
{
Student s;
Scanner sc=new Scanner(System.in);
int currYear = 2018;
import javax.swing.JFrame;
public class ImageStarter extends JFrame {
public ImageStarter()
{
add(new ImageFilter());
setTitle("Image Filter");
setDefaultCloseOperation(EXIT_ON_CLOSE);
setSize(800,500);
import java.awt.event.MouseListener;
import java.awt.event.MouseEvent;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Toolkit;
import java.awt.event.KeyAdapter;
import java.io.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.AffineTransform;
import java.awt.image.*;
import javax.imageio.*;
import javax.swing.*;
import java.awt.AlphaComposite;
import java.awt.Graphics2D;