Tecmax · Tecmax · May 27, 2016 · May 27, 2016 · May 27, 2016
diff --git a/JavaTestMahesh/bin/com/mahesh/abstraction/AbstractDemo.class b/JavaTestMahesh/bin/com/mahesh/abstraction/AbstractDemo.class
diff --git a/JavaTestMahesh/bin/com/mahesh/abstraction/AbstractVehicle.class b/JavaTestMahesh/bin/com/mahesh/abstraction/AbstractVehicle.class
diff --git a/JavaTestMahesh/bin/com/mahesh/abstraction/ConcerteMethod.class b/JavaTestMahesh/bin/com/mahesh/abstraction/ConcerteMethod.class
diff --git a/JavaTestMahesh/bin/com/mahesh/abstraction/Demo2.class b/JavaTestMahesh/bin/com/mahesh/abstraction/Demo2.class
diff --git a/JavaTestMahesh/bin/com/mahesh/abstraction/FourWheeler.class b/JavaTestMahesh/bin/com/mahesh/abstraction/FourWheeler.class
diff --git a/JavaTestMahesh/bin/com/mahesh/encapsulation/Employ.class b/JavaTestMahesh/bin/com/mahesh/encapsulation/Employ.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/A.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/A.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/B.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/B.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Child.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Child.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/ClassCast.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/ClassCast.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/ClassCastExceptionExample_v2.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/ClassCastExceptionExample_v2.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/ClassNotFound.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/ClassNotFound.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Example.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Example.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/ExceptionChecked.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/ExceptionChecked.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/ExceptionInIntilizer.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/ExceptionInIntilizer.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Exceptions.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Exceptions.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Finally.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Finally.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/HandelIndexBound.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/HandelIndexBound.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Illegal.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Illegal.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/IndexBound.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/IndexBound.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/MultiCatch.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/MultiCatch.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/NUmberFormat.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/NUmberFormat.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/NegativeArraySize.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/NegativeArraySize.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/NestedTry.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/NestedTry.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/NoClassDefFoundErrorExample.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/NoClassDefFoundErrorExample.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/NullPointer.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/NullPointer.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Parent.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Parent.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Percentage.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/Percentage.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/RuntimeException.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/RuntimeException.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/StackOverFlow.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/StackOverFlow.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/StackOverflowErrorToStringExample.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/StackOverflowErrorToStringExample.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/StringException.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/StringException.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/StringIndexBound.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/StringIndexBound.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/TestClassDef.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/TestClassDef.class
diff --git a/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/TestFinally.class b/JavaTestMahesh/bin/com/mahesh/exceptionHandelling/TestFinally.class
diff --git a/JavaTestMahesh/bin/com/mahesh/inheritance/Car.class b/JavaTestMahesh/bin/com/mahesh/inheritance/Car.class
diff --git a/JavaTestMahesh/bin/com/mahesh/inheritance/Test.class b/JavaTestMahesh/bin/com/mahesh/inheritance/Test.class
diff --git a/JavaTestMahesh/bin/com/mahesh/inheritance/Vehicle.class b/JavaTestMahesh/bin/com/mahesh/inheritance/Vehicle.class
diff --git a/JavaTestMahesh/bin/com/mahesh/interfaces/Interf.class b/JavaTestMahesh/bin/com/mahesh/interfaces/Interf.class
diff --git a/JavaTestMahesh/bin/com/mahesh/methodoverloading/Noofparamenters.class b/JavaTestMahesh/bin/com/mahesh/methodoverloading/Noofparamenters.class
diff --git a/JavaTestMahesh/bin/com/mahesh/methods/MethodsExample.class b/JavaTestMahesh/bin/com/mahesh/methods/MethodsExample.class
diff --git a/JavaTestMahesh/src/com/mahesh/abstraction/ConcerteMethod.java b/JavaTestMahesh/src/com/mahesh/abstraction/ConcerteMethod.java
@@ -4,9 +4,11 @@ abstract class AbstractDemo {
 	public void myMethod() {
 		System.out.println("Hello");
 	}
+
 	public abstract int anotherMethod(int a);
-	public void anotherMethod() {
 
+	public void anotherMethod() {
+		System.out.print("Inside Abstract method");
 	}
 }
 
@@ -16,15 +18,17 @@ public void anotherMethod() {
 	}
 
 	public static void main(String args[]) {
-		// Can't create object of abstract class - error!
 		AbstractDemo obj = new ConcerteMethod();
 		obj.anotherMethod();
+		int dsa = obj.anotherMethod(32);
+		System.out.print("Abstract method" + dsa);
+		obj.myMethod();
 	}
 
 	@Override
 	public int anotherMethod(int a) {
-		// TODO Auto-generated method stub
-		return 0;
+		System.out.print("inside Auto-generated method stub");
+		return a;
 	}
 
 }
diff --git a/JavaTestMahesh/src/com/mahesh/abstraction/Demo1.java b/JavaTestMahesh/src/com/mahesh/abstraction/Demo1.java
@@ -13,19 +13,19 @@ class Demo2 extends Demo1 {
 	 * don't declare abstract method of super class compiler would throw an
 	 * error
 	 */
-//	public void disp2() {
-//		System.out.println("I'm overriding abstract method");
-//	}
+	public void disp2() {
+		System.out.println("I'm overriding abstract method");
+	}
 
 	public static void main(String args[]) {
 		Demo2 obj = new Demo2();
 		obj.disp1();
 		obj.disp2();
 	}
 
-	@Override
-	public void disp2() {
-		// TODO Auto-generated method stub
-
-	}
+//	@Override
+//	public void disp2() {
+//		// TODO Auto-generated method stub
+//		
+//	}
 }
diff --git a/JavaTestMahesh/src/com/mahesh/abstraction/FourWheeler.java b/JavaTestMahesh/src/com/mahesh/abstraction/FourWheeler.java
@@ -0,0 +1,48 @@
+package com.mahesh.abstraction;
+
+abstract class AbstractVehicle {
+	public abstract int speed();
+
+	public abstract int milage();
+
+	public abstract int brand();
+
+	public void color() {
+		System.out.println("i am in color");
+	}
+
+	public void engine() {
+		System.out.println("i am in engine");
+	}
+}
+
+class FourWheeler extends AbstractVehicle {
+	public void engine() {
+		System.out.println("i am in main engine");
+	}
+
+	public static void main(String[] args) {
+		System.out.println("main method");
+		AbstractVehicle dsds = new FourWheeler();
+		dsds.color();
+		dsds.speed();
+		dsds.engine();
+	}
+
+	@Override
+	public int speed() {
+		System.out.println("i am in speed");
+		return 0;
+	}
+
+	public int milage() {
+		System.out.println("i am in milage");
+		return 0;
+	}
+
+	@Override
+	public int brand() {
+		System.out.println("i am in brand");
+		return 0;
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/ClassCast.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/ClassCast.java
@@ -0,0 +1,13 @@
+package com.mahesh.exceptionHandelling;
+
+public class ClassCast {
+	public static void main(String[] args) {
+		try {
+			Object obj = new Integer(100);
+			System.out.println((float) obj);
+		} catch (ClassCastException e) {
+			System.out.println("Check the casting");
+		}
+	}
+
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/ClassCastExceptionExample_v2.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/ClassCastExceptionExample_v2.java
@@ -0,0 +1,22 @@
+package com.mahesh.exceptionHandelling;
+
+class Parent {
+	public Parent() {
+		System.out.println("An instance of the Parent class was created!");
+	}
+}
+
+final class Child extends Parent {
+	public Child() {
+		super();
+		System.out.println("An instance of the Child class was created!");
+	}
+}
+
+public class ClassCastExceptionExample_v2 {
+	public static void main(String[] args) {
+		Parent p = new Parent();	
+		Child ch = new Child();
+		p = ch; // This statement is not allowed.
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/ClassNotFound.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/ClassNotFound.java
@@ -0,0 +1,16 @@
+package com.mahesh.exceptionHandelling;
+
+public class ClassNotFound {
+	private static final String CLASS_TO_LOAD = "com.mahesh.exceptionHandelling.ExceptionChecked";
+
+	public static void main(String[] args) {
+		try {
+			Class loadedClass = Class.forName(CLASS_TO_LOAD);
+			System.out.println("Class " + loadedClass + " found successfully!");
+		} catch (ClassNotFoundException ex) {
+			System.err.println("A ClassNotFoundException was caught: "
+					+ ex.getMessage());
+			ex.printStackTrace();
+		}
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/Example.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/Example.java
@@ -0,0 +1,25 @@
+package com.mahesh.exceptionHandelling;
+
+public class Example {
+
+	private static String message = null;
+	private static String subMessage = null;
+
+	public Example(String message) {
+		Example.message = message;
+	}
+
+	static {
+		/* Store the first 10 characters of the input message. */
+		subMessage = message.substring(0, 10);
+	}
+
+	public String getSubMessage() {
+		return subMessage;
+	}
+
+	public static void main(String[] args) {
+		Example exampleClass = new Example("Test");
+		System.out.println(exampleClass.getSubMessage());
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/ExceptionChecked.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/ExceptionChecked.java
@@ -0,0 +1,42 @@
+package com.mahesh.exceptionHandelling;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileWriter;
+import java.io.IOException;
+
+public class ExceptionChecked {
+	public static void main(String args[]) {
+		String content = "Hello Mahesh";
+		FileInputStream fis = null;
+		try {
+			fis = new FileInputStream("C:/Softgen/mahesh.txt");
+		} catch (FileNotFoundException fnfe) {
+			System.out.println("The specified file is not "
+					+ "present at the given path");
+		}
+		int k;
+		try {
+			File file = new File("C:/Softgen/mahesh.txt");
+			// if file doesnt exists, then create it
+			if (!file.exists()) {
+				file.createNewFile();
+			}
+
+			FileWriter fw = new FileWriter(file.getAbsoluteFile());
+			BufferedWriter bw = new BufferedWriter(fw);
+			bw.write(content);
+			bw.close();
+
+			System.out.println("Done");
+			while ((k = fis.read()) != -1) {
+				System.out.print((char) k);
+			}
+			fis.close();
+		} catch (IOException ioe) {
+			System.out.println("I/O error occurred: " + ioe);
+		}
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/ExceptionInIntilizer.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/ExceptionInIntilizer.java
@@ -0,0 +1,12 @@
+package com.mahesh.exceptionHandelling;
+
+import java.util.UUID;
+
+class ExceptionInIntilizer {
+
+	private static String ID = null;
+
+	static {
+		ID = UUID.randomUUID().toString();
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/Exceptions.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/Exceptions.java
@@ -0,0 +1,44 @@
+package com.mahesh.exceptionHandelling;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+
+public class Exceptions {
+	public static void main(String args[]) throws IOException {
+		String content = "This is the content to write into file";
+		FileInputStream fis = null;
+		/*
+		 * This constructor FileInputStream(File filename) throws
+		 * FileNotFoundException which is a checked exception
+		 */
+		int k;
+		fis = new FileInputStream("C:/Softgen/mahesh.txt");
+		File file = new File("C:/Softgen/mahesh.txt");
+		// if file doesnt exists, then create it
+		if (!file.exists()) {
+			file.createNewFile();
+		}
+
+		FileWriter fw = new FileWriter(file.getAbsoluteFile());
+		BufferedWriter bw = new BufferedWriter(fw);
+		bw.write(content);
+		bw.close();
+
+		System.out.println("Done");
+		/*
+		 * Method read() of FileInputStream class also throws a checked
+		 * exception: IOException
+		 */
+		while ((k = fis.read()) != -1) {
+			System.out.print((char) k);
+		}
+
+		/*
+		 * The method close() closes the file input stream It throws IOException
+		 */
+		fis.close();
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/Finally.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/Finally.java
@@ -0,0 +1,19 @@
+package com.mahesh.exceptionHandelling;
+
+public class Finally {
+	public static int myMethod() {
+		try {
+			// try block
+			System.out.println("Inside TRy block");
+			return 750;
+		} finally {
+			// finally
+			System.out.println("Inside Finally block");
+			return 30;
+		}
+	}
+
+	public static void main(String args[]) {
+		System.out.println(Finally.myMethod());
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/HandelIndexBound.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/HandelIndexBound.java
@@ -0,0 +1,13 @@
+package com.mahesh.exceptionHandelling;
+
+public class HandelIndexBound {
+	public static void main(String args[]) {
+		try {
+			int arr[] = { 1, 2, 3, 4, 5 };
+			System.out.println(arr[7]);
+		} catch (ArrayIndexOutOfBoundsException e) {
+			System.out.println("The specified index does not exist "
+					+ "in array. Please correct the error.");
+		}
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/Illegal.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/Illegal.java
@@ -0,0 +1,9 @@
+package com.mahesh.exceptionHandelling;
+
+public class Illegal {
+
+	public static void main(String[] args) {
+		Percentage percentage = new Percentage(1290);
+		System.out.println(percentage.getValue());
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/IndexBound.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/IndexBound.java
@@ -0,0 +1,12 @@
+package com.mahesh.exceptionHandelling;
+
+public class IndexBound {
+	public static void main(String args[]) {
+		int arr[] = { 1, 2, 3, 4, 5 };
+		/*
+		 * My array has only 5 elements but I'm trying to display the value of
+		 * 8th element. It should throw ArrayIndexOutOfBoundsException
+		 */
+		System.out.println(arr[2]);
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/MultiCatch.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/MultiCatch.java
@@ -0,0 +1,20 @@
+package com.mahesh.exceptionHandelling;
+
+public class MultiCatch {
+	public static void main(String args[]) {
+		try {
+			int a[] = new int[7];
+			a[3] = 30 / 10;
+			String dfs = null;
+			dfs.substring(23);
+			System.out.println("First print statement in try block");
+		} catch (ArithmeticException e) {
+			System.out.println("Warning: ArithmeticException");
+		} catch (ArrayIndexOutOfBoundsException e) {
+			System.out.println("Warning: ArrayIndexOutOfBoundsException");
+		} catch (Exception e) {
+			System.out.println("Warning: Some Other exception");
+		}
+		System.out.println("Out of try-catch block...");
+	}
+}
diff --git a/JavaTestMahesh/src/com/mahesh/exceptionHandelling/NUmberFormat.java b/JavaTestMahesh/src/com/mahesh/exceptionHandelling/NUmberFormat.java
@@ -0,0 +1,12 @@
+package com.mahesh.exceptionHandelling;
+
+public class NUmberFormat {
+	public static void main(String args[]) {
+		try {
+			int num = Integer.parseInt("ABCD");
+			System.out.println(num);
+		} catch (NumberFormatException e) {
+			System.out.println("Number format exception occurred");
+		}
+	}
+}