Showing product details by scanning QR code

Showing product details from JSON WebService by scanning QR code Using Android Mobile Application. Project Domain                   : ANDROID MOBILE APPLICATION. Programming Languages : JAVA and XML. Project Description : 1.Scanning the authorized QR code and getting the secure secret code of the particular product .Fetching all details of the product for that secure secret code from...

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ANDROID Mobile Apps:candidate enrollment

 MY SMART RESUME Pdf Resume generating with Instant Digital signature & Photo capturing & QR-Code MCA Project Title: Resume generating in Pdf format with Instant Digital signature-Photo capturing-Unique QR-Code.QR-Code scanner-checker Authorized Using Android Mobile Application.                                          ...

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this( ) and super( ) in constructor

this() in constructor -The this() call in a constructor invokes the an other constructor with the corresponding parameter list within the same class. -Java requires that any this() call must occur as the first statement in a constructor. program:public class Cube2 { int length; int breadth; int height; public int getVolume() { return (length * breadth * height); } Cube2() { this(10, 10); System.out.println("Finished with Default Constructor"); } Cube2(int l, int b) { this(l, b, 10); System.out.println("Finished with Parameterized...

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Constructor in JAVA

Constructor in JAVA -Constructor initialize an object Of a class immediately upon creation. -JAVA creates constructor call for every object that is created. -When you create a new instance (a new object) of a class using the new keyword, a constructor for that class is called. program 1:public class contest { contest() { System.out.print("this is constructor"); } public static void main(String[] a) { constortest c=new constortest(); } } output:this is constructor -Constructors are similar to methods, but with some important...

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Method Overloading in JAVA

Method Overloading in JAVA-Methods of same name can be declared in java in the same class,they have different set of parameters(number ,types,order of parameters). -When an overloaded method method is called,JAVA compiler identify the appropiate method by using the parameters and it types,numbers and order of the arguments.  program:public class methodoverload { public static void main(String[] a) { int i=123; int j=13; double d=13.9; func(); func(i); func(i,d); func(d,i); func(59,4,"gkads"); } public static void...

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Pass by Reference in java

Pass by Reference in java -Passing the address or sending the copy of reference. -If any changes in copied method ,it affect the original method. -Pass By Reference is based on the object of a class or a object like             int[] a=new int[10];           program:public class passarray { public static void main(String[] a) { int[] array={1,2,3,4,5}; System.out.println("effect of passing reference to entire array:\n"+"the value of the original array are:"); for(int...

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public static void main(String[] a) in JAVA

public static void main(String[] a)Why we are declaring "public static void main(String[] a)" in JAVA programs.What is the purpose of declaring like this.program:public class test1 { public static void main(String[] a) { System.out.print("java main function"); } }output:java main functionpublic               -(access control:public) allows everyone can access this method.     ...

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