Java full stack tutorial

Java full stack tutorial

### Swap two numbers in java

In this Tutorial we are going to swap two variables. Here swapping means, inter changing the values of two variables . For Example . int a =10 , int b

### Swapping without temporary variable support in java

In this Tutorial we are going to swap two variables without using temporary variable . Here swapping means, inter changing the value of two variables public class SwapWithoutTemp{ public static

### Reverse the number in java

In this tutorial we are going to print the reverse number of a given number. For better understanding see the below example. import java.util.Scanner; public class Reverse { public static

### Find the factorial of a number in java

The product of all natural numbers up to given natural number is called factorial . In maths, factorial is represented with the symbol ! . See the below examples.     4! =

### Find the factorial using recursive function in java

In this article we are going to print factorial of a number using recursive function. Recursive function is function called by itself during its execution . See the below example.

### Palindrome example in java

A palindrome number is a number that remains the same when its digits are reversed. For example : 12321 is a palindrome number . Now we are going to write

### Fibonacci series example in java

A fibonacci series is a series of numbers that the next number is found by adding the two immediate preceded numbers of it. For example : 0, 1, 1, 2,

### Check prime number example in java

A natural number that is greater than 1 , divided by 1 and itself is called prime number. In this tutorial, we are going to write a program to identify

### Find prime numbers upto given number in java

A natural number that is greater than 1 , divided by 1 and itself is called prime number. In this tutorial, we are going to write a program to print

### Find Nth prime number in java

A natural number that is greater than 1 , divided by 1 and itself is called prime number. In this tutorial, we are going to write a program to print

### Right pyramid example in java

In this Tutorial we are going to write a program that prints right triangle . see the below example. import java.util.Scanner; public class RightPyramid { public static void main(String[] args)

### Left pyramid example in java

In this Tutorial we are going to write a program that prints left triangle . see the below example. import java.util.Scanner; class LeftPyramid { public static void main(String[] args) {

### Right down pyramid example in java

In this Tutorial we are going to write a program that prints Right down triangle . see the below example. import java.util.Scanner; public class RightDownPyramid { public static void main(String[]

### Left down pyramid example in java

In this Tutorial we are going to write a program that prints Left down triangle . see the below example. import java.util.Scanner; public class LeftDownPyramid { public static void main(String[]

### print pyramid example in java

In this Tutorial we are going to write a program that prints Complete pyramid . see the below example. import java.util.Scanner; public class CompletePyramid { public static void main(String[] args)

### Print pyramid example 2 in java

import java.util.Scanner; class CompletePyramid2 { public static void main(String[] args) { System.out.print(“Please Enter Pyramid size: “); Scanner read = new Scanner(System.in); int size = read.nextInt(); for (int i = 1;

### Down pyramid example in java

In this Tutorial we are going to write a program that prints Complete down pyramid . see the below example. import java.util.Scanner; public class CompleteDownPyramid { public static void main(String[]

### Down pyramid example 2 in java

import java.util.Scanner; class CompleteDownPyramid2 { public static void main(String[] args) { System.out.print(“Please Enter Pyramid size: “); Scanner read = new Scanner(System.in); int size = read.nextInt(); for (int i = size;

### Data types in java

In java, data types are divided into two types. Those are, Primitive data types Reference data types There are 8 primitive data types in java. Those are byte short int

### Integral data types in java

Integral data types can hold integers ( positive and negative counting numbers, as well as zero ) . byte, short, int, long comes under Integral data types category .Let’s see

### Jquery ajax call to spring controller

\$("#bankIdAutoSuggest").autocomplete({ source : function(request, response) { \$.ajax({ url : \$(‘#contextPath’).val() + "/autoSuggestBank?bankName=" + \$("#bankIdAutoSuggest").val(), dataType : "json", data : { q : request.term }, success : function(data) { console.log(data); if

### Spring practice

Spring boot package com.rs.aegon.combisite.config; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.builder.SpringApplicationBuilder; import org.springframework.boot.web.support.SpringBootServletInitializer; import org.springframework.context.annotation.ComponentScan; @SpringBootApplication @ComponentScan(basePackages="com.rs.aegon") public class CombiservicesApplication /*extends SpringBootServletInitializer*/ { public static void main(String[] args) { SpringApplication.run(CombiservicesApplication.class, args);

### javax.servlet.ServletException: PWC1392: Error instantiating servlet class

one of the below may resolve your problem 1) clean build your project . 2) Make sure your servlet class is public . Means , add public to your servelt

### The processing instuction target matching “[xX][mM][IL]” is not allowed

“The processing instuction target matching [xX][mM][IL] is not allowed” is error in xml file . To resolve this remove space at the starting of file Remove space at begining of

### Should not consume any form parameter

com.rsa.vam.SmsSurveyAccept.getMsg(java.lang.String,java.lang.String,java.lang.String), should not consume any form parameter.12:12:10,648 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/UpdateTaskbySMSWar]] (http–0.0.0.0-8080-21)StandardWrapper.Throwable: com.sun.jersey.spi.inject.Errors\$ErrorMessagesExceptionat com.sun.jersey.spi.inject.Errors.processErrorMessages(Errors.java:170) [jersey-bundle-1.19.1 (1).jar:1.19.1]at com.sun.jersey.spi.inject.Errors.postProcess(Errors.java:136) [jersey-bundle-1.19.1 (1).jar:1.19.1]at com.sun.jersey.spi.inject.Errors.processWithErrors(Errors.java:199) [jersey-bundle-1.19.1 (1).jar:1.19.1]at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:795) [jersey-bundle-1.19.1 (1).jar:1.19.1]at com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:790) [jersey-bundle-1.19.1 (1).jar:1.19.1]at com.sun.jersey.spi.container.servlet.ServletContainer.initiate(ServletContainer.java:509) [jersey-bundle-1.19.1 (1).jar:1.19.1]at com.sun.jersey.spi.container.servlet.ServletContainer\$InternalWebComponent.initiate(ServletContainer.java:339)

### jspService is exceeding the 65535 bytes limit

1) Add the following code in web.xml <servlet> <servlet-name>jsp</servlet-name> <servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class> <init-param> <param-name>mappedfile</param-name> <param-value>false</param-value> </init-param> </servlet> 2) If above solution does n’t work then split jsp page and include those jsp’s

### Attribute qualified names must be unique within an element

see the below example. readonly=”true” was defined twice. If attribute defined more than once in an element then we will get this type of error . <s:textfield name=”%{‘recList[‘+#recStatus.index+’].accountedAmount’}” value=”%{accountedAmount}” readonly=”true” readonly=”true” />

### org.codehaus.jackson.JsonGenerationException cannot be resolved

Make sure you added jackson-core-asl-XXX.jar to build path.