bablu9090 · Jul 29, 2017 · Aug 7, 2017 · Dec 1, 2017 · Dec 1, 2017 · Dec 3, 2017
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+/bin/
diff --git a/README b/README
diff --git a/README.md b/README.md
@@ -0,0 +1,2 @@
+# JavaProgrammingA2Z
+Source codes for the book Java Programming A2Z by Dr. Mokter Hossain
diff --git a/src/JavaBook1Codes/J02_00.java b/src/JavaBook1Codes/J02_00.java
diff --git a/src/chapter00/HelloWorld.java b/src/chapter00/HelloWorld.java
@@ -0,0 +1,15 @@
+package chapter00;
+
+/* 1. */ /* HelloWorld.java */
+/* 2. */ /* A Sample Java Application Program */
+
+/* 3. */ public class HelloWorld {
+
+/* 5. */ public static void main(String args[])
+/* 6. */ {			
+/* 7. */ System.out.println("Hello World!");
+/* 8. */ System.out.print("Welcome to Java Programming");
+/* 9. */  System.out.print("\nThis is my First Java Program");
+/* 10.*/ }  // End of main()
+
+/* 11.*/}  // End of class  
diff --git a/src/chapter00/MonthDayCalculator.java b/src/chapter00/MonthDayCalculator.java
@@ -0,0 +1,36 @@
+package chapter00;
+/**
+ * MonthDayCalculator.java
+ */
+import java.io.File;
+import java.io.IOException;
+import java.util.Random;
+public class MonthDayCalculator {
+public static void main(String[] args) throws IOException {
+//	int yearNum = 0;
+Random randomNumY = new Random();
+	int yearNum = randomNumY.nextInt(10001);
+	int numDays = 0;
+	Random randomNumM = new Random();
+	int monthNum = randomNumM.nextInt(13);
+
+switch (monthNum) {
+	     case 1:	case 3:    case 5:	case 7:  case 8:   case 10:  case 12:
+	            numDays = 31; break;
+	     case 4: 	case 6:		case 9:		case 11:
+	             numDays = 30;	break;
+	      case 2:
+             if (((yearNum % 4 == 0) &&  !(yearNum % 100 == 0))||(yearNum % 400 == 0))
+		         numDays = 29;
+		    else
+		         numDays = 28;
+		          break;
+		default:
+		    System.out.println("Oops!! Invalid month, please run again.");
+		        break;
+
+	}
+
+System.out.println("In year " + yearNum + " month #"+ monthNum + " has/had " + numDays + " days");
+    }
+}
diff --git a/src/JavaBook1Codes/J02_01.java → src/chapter02/J02_01.java b/src/JavaBook1Codes/J02_01.java → src/chapter02/J02_01.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter02;
 
 /* 1. */ /* J02_01.java */
 /* 2. */ /* A Sample Java Application Program */

diff --git a/src/JavaBook1Codes/J02_02.java → src/chapter02/J02_02.java b/src/JavaBook1Codes/J02_02.java → src/chapter02/J02_02.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter02;
 
 public class J02_02 {
 

diff --git a/src/chapter02/J02_03.class b/src/chapter02/J02_03.class
diff --git a/src/JavaBook1Codes/J02_03.java → src/chapter02/J02_03.java b/src/JavaBook1Codes/J02_03.java → src/chapter02/J02_03.java
@@ -1,11 +1,11 @@
-package JavaBook1Codes;
+package chapter02;
 /* J02_03.java   */
 /* A Command Line Argumented Program */
 
-class J02_03{
+public class J02_03{
 
-public static void main (String  args[])
- {
+public static void main (String[] args )
+ {	
  int i, c;
  String S;
  c = args.length;

diff --git a/src/chapter03/BooleanEx1.java b/src/chapter03/BooleanEx1.java
@@ -0,0 +1,18 @@
+package chapter03;
+/* BooleanEx1.java */
+/* Working with boolean type Variable */
+ public class BooleanEx1{
+public static void main(String args[]) {
+ boolean x, y; 
+ x = true; y = false;
+ System.out.println("x= " +x);
+ System.out.println("y= " +y);
+
+ int x1, y1; boolean z1;
+ x1 = 15; y1 = 10;
+ System.out.println("x1>y1 is " +(x1>y1));
+ z1 = y1>x1;
+ System.out.println("y1>x1 is " +z1);
+
+ }
+}
diff --git a/src/chapter03/ByteEx1.java b/src/chapter03/ByteEx1.java
@@ -0,0 +1,14 @@
+package chapter03;
+/* ByteEx1.java */
+/* ERROR IN RUNNING */
+ public class ByteEx1{
+public static void main(String args[]) {
+ //byte  Value1 = 1000;  // Illegal Assigning
+ //short Value2 = 100000; // Illegal Assigning
+ byte  Value1 = 100;  // Legal Assigning
+ short Value2 = 1000; // Legal Assigning
+
+ System.out.println("Value1: " +Value1);
+ System.out.println("Value2: " +Value2);
+ }
+}
diff --git a/src/chapter03/CharEx1.java b/src/chapter03/CharEx1.java
@@ -0,0 +1,10 @@
+package chapter03;
+/* CharEx1.java */
+/* Assigning value to character variables */
+ public class CharEx1{
+public static void main(String args[]) {
+ char Ch1 = 65, Ch2= 'A';
+ System.out.println("Ch1: " +Ch1);
+ System.out.println("Ch2: " +Ch2);
+ }
+}
diff --git a/src/chapter03/DoubleEx1.java b/src/chapter03/DoubleEx1.java
@@ -0,0 +1,17 @@
+package chapter03;
+/* DoubleEx1.java */
+/* ERROR IN RUNNING */
+ public class DoubleEx1{
+public static void main(String args[]) {
+ float Value1, Value2, Sum;
+// Value1 = 3.123456789; // Illegal
+// Value2 = 350.0; // Illegal
+ Value1 = 3.123456789f; // Legal
+ Value2 = 350.0f; // Legal
+
+ Sum = Value1 + Value2;
+ System.out.println("Value1 = " +Value1);
+ System.out.println("Value2 = " +Value2);
+ System.out.println("Sum = " +Sum);
+ }
+}
diff --git a/src/chapter03/InputStreamReaderEx1.java b/src/chapter03/InputStreamReaderEx1.java
@@ -0,0 +1,31 @@
+package chapter03;
+/* InputStreamReaderEx1.java */
+/* Converting String Object to Corresponding Wrapper Class Objct using valueOf() Method  */
+import  java.io.*; 
+ public class InputStreamReaderEx1{
+public static void main(String args[])  {
+ Integer Roll;	//  Roll is wrapper class object
+ String  Name;
+ Float   Mark;	//  Mark is wrapper class object
+ String S1, S2;
+ InputStreamReader IN = new InputStreamReader(System.in);
+ BufferedReader BR = new BufferedReader (IN);
+ try{
+  System.out.print("Enter Roll: ");
+  S1 = BR.readLine();
+  Roll = Integer.valueOf(S1);
+  System.out.print("Enter Name: ");
+  Name = BR.readLine();
+  System.out.print("Enter Mark: ");
+  S2 = BR.readLine();
+  Mark = Float.valueOf(S2);
+  System.out.println("Roll is : " +Roll);
+  System.out.println("Name is : " +Name);
+  System.out.println("Mark is : " +Mark);
+   }
+ catch(Exception e)
+  { 
+   System.out.println("Exception No: " +e); 
+  }
+ }
+} 
diff --git a/src/JavaBook1Codes/J03_01.java → src/chapter03/J03_01.java b/src/JavaBook1Codes/J03_01.java → src/chapter03/J03_01.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_01 {
 

diff --git a/src/JavaBook1Codes/J03_02.java → src/chapter03/J03_02.java b/src/JavaBook1Codes/J03_02.java → src/chapter03/J03_02.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_02 {
 

diff --git a/src/JavaBook1Codes/J03_03.java → src/chapter03/J03_03.java b/src/JavaBook1Codes/J03_03.java → src/chapter03/J03_03.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_03 {
 

diff --git a/src/JavaBook1Codes/J03_04.java → src/chapter03/J03_04.java b/src/JavaBook1Codes/J03_04.java → src/chapter03/J03_04.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_04 {
 

diff --git a/src/JavaBook1Codes/J03_05.java → src/chapter03/J03_05.java b/src/JavaBook1Codes/J03_05.java → src/chapter03/J03_05.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_05 {
 

diff --git a/src/JavaBook1Codes/J03_08.java → src/chapter03/J03_08.java b/src/JavaBook1Codes/J03_08.java → src/chapter03/J03_08.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_08 {
 

diff --git a/src/JavaBook1Codes/J03_09.java → src/chapter03/J03_09.java b/src/JavaBook1Codes/J03_09.java → src/chapter03/J03_09.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_09 {
 

diff --git a/src/JavaBook1Codes/J03_10.java → src/chapter03/J03_10.java b/src/JavaBook1Codes/J03_10.java → src/chapter03/J03_10.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_10 {
 

diff --git a/src/JavaBook1Codes/J03_12.java → src/chapter03/J03_12.java b/src/JavaBook1Codes/J03_12.java → src/chapter03/J03_12.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_12 {
 

diff --git a/src/JavaBook1Codes/J03_13.java → src/chapter03/J03_13.java b/src/JavaBook1Codes/J03_13.java → src/chapter03/J03_13.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_13 {
 

diff --git a/src/JavaBook1Codes/J03_14.java → src/chapter03/J03_14.java b/src/JavaBook1Codes/J03_14.java → src/chapter03/J03_14.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_14 {
 

diff --git a/src/JavaBook1Codes/J03_15.java → src/chapter03/J03_15.java b/src/JavaBook1Codes/J03_15.java → src/chapter03/J03_15.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_15 {
 

diff --git a/src/JavaBook1Codes/J03_16.java → src/chapter03/J03_16.java b/src/JavaBook1Codes/J03_16.java → src/chapter03/J03_16.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_16 {
 

diff --git a/src/JavaBook1Codes/J03_17.java → src/chapter03/J03_17.java b/src/JavaBook1Codes/J03_17.java → src/chapter03/J03_17.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 public class J03_17 {
 

diff --git a/src/JavaBook1Codes/J03_18.java → src/chapter03/J03_18.java b/src/JavaBook1Codes/J03_18.java → src/chapter03/J03_18.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 //import java.io.DataInputStream;
 
 

diff --git a/src/JavaBook1Codes/J03_19.java → src/chapter03/J03_19.java b/src/JavaBook1Codes/J03_19.java → src/chapter03/J03_19.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 import java.io.IOException;
 

diff --git a/src/JavaBook1Codes/J03_23.java → src/chapter03/J03_23.java b/src/JavaBook1Codes/J03_23.java → src/chapter03/J03_23.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 
 import java.io.IOException;

diff --git a/src/JavaBook1Codes/J03_24.java → src/chapter03/J03_24.java b/src/JavaBook1Codes/J03_24.java → src/chapter03/J03_24.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;

diff --git a/src/JavaBook1Codes/J03_25.java → src/chapter03/J03_25.java b/src/JavaBook1Codes/J03_25.java → src/chapter03/J03_25.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 	import java.io.*;
 

diff --git a/src/JavaBook1Codes/J03_26.java → src/chapter03/J03_26.java b/src/JavaBook1Codes/J03_26.java → src/chapter03/J03_26.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 import java.io.IOException;
 import java.util.Scanner;

diff --git a/src/JavaBook1Codes/J03_27.java → src/chapter03/J03_27.java b/src/JavaBook1Codes/J03_27.java → src/chapter03/J03_27.java
@@ -1,4 +1,4 @@
-package JavaBook1Codes;
+package chapter03;
 
 import java.io.IOException;
 import java.util.Scanner;

diff --git a/src/chapter03/LongEx1.java b/src/chapter03/LongEx1.java
@@ -0,0 +1,14 @@
+package chapter03;
+/* LongEx1.java */
+/* Using long type Variable */
+public class LongEx1{
+public static void main(String args[]) {
+ long  Year = 10;
+ long  LightSpeed = 186000;
+ long  Distance;
+ Distance = Year*365*24*60*60*LightSpeed;
+ System.out.print("In " +Year + " years " );
+ System.out.print("light will travel about ");
+ System.out.println(Distance + " miles");
+ }
+}
diff --git a/src/chapter03/ReadCharEx1.java b/src/chapter03/ReadCharEx1.java
@@ -0,0 +1,17 @@
+package chapter03;
+/* ReadCharEx1.java */
+/* Reading a character from Keyboard*/
+import java.io.IOException;
+
+import java.io.InputStream;
+
+public class ReadCharEx1 {
+	public static void main(String[] args) throws IOException 
+	{
+	// TODO Auto-generated method stub
+		System.out.print("Enter a character: ");
+		char ch = (char)System.in.read();
+       // Accepts a single character 
+		System.out.print("You have entered " +ch);
+	}
+}
diff --git a/src/chapter03/ReadLinesEx1.java b/src/chapter03/ReadLinesEx1.java
@@ -0,0 +1,15 @@
+package chapter03;
+/* ReadLinesEx1.java */
+/* Array of String Variable */
+import  java.io.*; 
+ public class ReadLinesEx1 {
+public static void main(String args[])throws IOException {
+char Ch;
+System.out.print("Enter some characters ('Q' to quit) : ");
+ do{
+  Ch = (char)System.in.read();
+  System.out.print(Ch);
+  }while(Ch != 'Q');
+System.out.print("Program terminated.");
+}
+}
diff --git a/src/chapter03/ReadLinesEx2.java b/src/chapter03/ReadLinesEx2.java
@@ -0,0 +1,14 @@
+package chapter03;
+/* ReadLinesEx2.java */
+/* Example of readLine() Method */
+import  java.io.*; 
+ public class ReadLinesEx2{
+public static void main(String args[]) throws IOException {
+DataInputStream inData = new DataInputStream(System.in);
+System.out.print("Please enter your name: ");
+String   Name;
+Name= inData.readLine();
+System.out.print("Your name is : ");
+System.out.print(Name);
+ }
+}
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		# JavaProgrammingA2Z
		Source codes for the book Java Programming A2Z by Dr. Mokter Hossain