Expert Solutions

public static void drawArrowLine(Graphics g, int i, int j, int k, int l, int i1)     {         double d = Math.sqrt((k - i) * (k - i) + (l - j) * (l - j));         double d1 = (double)(-(k - i)) / (double)(l - j);         double d2 = 6D / Math.sqrt(1.0D + d1 * d1);         double d3 = 6D / Math.sqrt(1.0D + 1.0D / d1 / d1);         if(d1 < 0.0D)             d3 = -d3;         double d4 = (double)k - (double)(10 * (k - i)) / d;         double d5 = (double)l - (double)(10 * (l - j)) / d;         drawLine(g, i, j, (int)d4, (int)d5, i1);         int ai[] = {        ...

public class ColorDialog extends Dialog {     public ColorDialog(Frame p)     {         super(p, "Color Dialog", true);         OK_button = new Button("OK");         Cancel_button = new Button("Cancel");         OK_Cancel = new Panel();         init();         show();     }     public ColorDialog(Frame p, Color c)     {         super(p, "Color Dialog", true);         OK_button = new Button("OK");         Cancel_button = new Button("Cancel");         OK_Cancel = new Panel();         init();         color_panel.setCurColor(c);         show();     }  ...

import java.util.Comparator; public class TagComparator implements Comparator{         public int compare(Object arg0, Object arg1) {         // TODO Auto-generated method stub         int r = 0;                 if (arg0.toString().length() > arg1.toString().length())             r = 1;         else             r=0;                 return r;     } }

public String removeHTMLTag(String html) {         String finalString = "";         try {             finalString = html.replaceAll("\\<.*?>", "");                        finalString = finalString.replaceAll("\\&.*?;", "");             finalString = finalString.replace("\r\n", " ");             finalString = finalString.replace("\n", " ");             finalString = finalString.replace("\t", " ");             finalString = finalString.replaceAll("\\<.*?>", "");             finalString = finalString.replaceAll("\\s+", " ");      ...

Java Programming Tutorial - 2 - Running a Java Program

In java, literals are used for storing the constant value. Example :- “Literals” denoted String Literals, ‘P’ denoted Character Literals,  93.8 denotes floating points value Literals, 786 denotes an Integer Literals

Java had eight (8) primitive data type. 1) byte                  Width : 8 Range : -128 to 127 2) short                 Width : 16 Range : -32768 to 32767 3)int                       Width : 32 Range : -2147483648 to 2147483647 4) long                   Width : 64 Range : -9223372036854775808 to 9223372036854775807 Above four primitive data type belongs to Integers. 5) float                  Width : 32 Range 1.4e-045 to 3.4e+308 6) double             Width : 64 Range 4.9e-...