Questions by Daisy

0 votes
1 answer

Exception Handling: “ConcurrentModificationException” while removing elements from `ArrayList` while iterating it

Jan 10, 2019 in Java • 1,198 views
+1 vote
1 answer

How can I find memory usage of my application in Android?

Jan 10, 2019 in Java • 4,646 views
0 votes
1 answer

Is there any difference between ConcurrentHashMap and Collections.synchronizedMap?

Dec 26, 2018 in Java • 1,787 views
0 votes
1 answer

GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?

Dec 26, 2018 in Java • 29,623 views
0 votes
1 answer

HashMap with multiple values under the same key

Dec 13, 2018 in Java • 6,138 views
0 votes
1 answer

Understanding Spring @Autowired usage

Nov 30, 2018 in Java • 2,359 views
0 votes
3 answers

HttpServletRequest get JSON POST data

Nov 29, 2018 in Java • 71,299 views
0 votes
1 answer

Java Client Certificate over HTTPS/SSL

Nov 28, 2018 in Java • 7,446 views
0 votes
1 answer

Sending POST data in Android

Nov 28, 2018 in Java • 2,016 views
0 votes
1 answer

How can we encrypt a String in Java?

Oct 26, 2018 in Java • 1,873 views
0 votes
2 answers

Java: convert List<String> to a String

Oct 23, 2018 in Java • 1,358 views
0 votes
1 answer

How to encode the HTTP URL address in Java?

Oct 23, 2018 in Java • 11,793 views
0 votes
2 answers

What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association?

Oct 18, 2018 in Java • 22,999 views
0 votes
1 answer

Why “non-static method cannot be referenced from a static context”?

Oct 17, 2018 in Java • 1,779 views
0 votes
1 answer

What is the meaning of 'Synchronized'?

Oct 17, 2018 in Java • 1,139 views
0 votes
1 answer

Remote debugging a Java application

Oct 16, 2018 in Java • 1,697 views
0 votes
1 answer

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: How to handle this exception?

Oct 8, 2018 in Java • 3,265 views
0 votes
2 answers

How to parse a date?

Oct 4, 2018 in Java • 1,418 views
0 votes
3 answers

How does the “final” keyword in Java work?

Oct 3, 2018 in Java • 3,580 views
0 votes
1 answer

What is the best Java email address validation method?

Sep 26, 2018 in Java • 1,269 views
0 votes
1 answer

Using Jackson to deserialise an array of object

Sep 26, 2018 in Java • 5,959 views
0 votes
1 answer

object references an unsaved transient instance - save the transient instance before flushing

Sep 26, 2018 in Java • 35,632 views
0 votes
1 answer

How can we get the current location in Android?

Sep 25, 2018 in Java • 1,640 views
0 votes
1 answer

How to replace 2 or more spaces with a single space in String and how to delete leading and trailing spaces?

Aug 22, 2018 in Java • 1,297 views
0 votes
1 answer

How to count the number of occurrences of an element in a List?

Aug 21, 2018 in Java • 6,301 views
0 votes
1 answer

Good Hash Function for Strings

Jul 19, 2018 in Java • 4,220 views
0 votes
1 answer

What does NaN mean in Java?

Jul 12, 2018 in Java • 3,380 views
0 votes
1 answer

org.xml.sax.SAXParseException: How to handle this exception?

Jul 9, 2018 in Java • 6,673 views
0 votes
2 answers

What is the difference between Type List and type ArrayList in Java

Jul 9, 2018 in Java • 3,413 views
0 votes
1 answer

How can we return a JSON object from a Java Servlet?

Jul 6, 2018 in Java • 6,734 views
0 votes
1 answer

Hibernate show real SQL

Jul 5, 2018 in Java • 1,660 views
0 votes
1 answer

java.lang.UnsupportedClassVersionError: Bad version number in .class file. How to solve this?

Jul 4, 2018 in Java • 1,549 views
0 votes
1 answer

How to get a platform-dependent new line character in Java?

Jul 3, 2018 in Java • 1,408 views
0 votes
1 answer

How to get the Generic type of class at run time?

Jul 2, 2018 in Java • 1,334 views
0 votes
1 answer

No appenders could be found for logger(log4j)?

Jun 29, 2018 in Java • 9,369 views
0 votes
2 answers

How can we convert java.util.Date to java.sql.date in Java?

Jun 29, 2018 in Java • 2,027 views
0 votes
1 answer

Calling SOAP web services on Android using JAVA

Jun 28, 2018 in Java • 3,297 views
0 votes
1 answer

How can we run the .jar file by double clicking on windows 7 (64)?

Jun 28, 2018 in Java • 2,449 views
0 votes
1 answer

How to convert or cast hashmap to JSON object in Java, and again convert JSON object to JSON string?

Jun 27, 2018 in Java • 7,749 views
+2 votes
2 answers

How to connect to Oracle using Service Name instead of SID?

Jun 27, 2018 in Java • 10,976 views
0 votes
1 answer

How can we add local .jar file dependency to build.gradle file?

Jun 27, 2018 in Java • 6,164 views
0 votes
2 answers

How do I rename a file using Java

Jun 26, 2018 in Java • 1,482 views
+1 vote
1 answer

Remove objects from an array in Java?

Jun 26, 2018 in Java • 2,007 views
0 votes
1 answer

Why there is the need of getters and setters in java

Jun 26, 2018 in Java • 2,644 views
0 votes
1 answer

How to prevent java.lang.NumberFormatException in Java?

Jun 26, 2018 in Java • 5,360 views
+1 vote
1 answer

How to tell the Maven to use the latest version of dependency in Java?

Jun 26, 2018 in Java • 16,623 views
0 votes
1 answer

How to get the IP address of the machine using Java?

Jun 25, 2018 in Java • 1,519 views
0 votes
1 answer

Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of its dependencies could not be resolved

Jun 25, 2018 in Java • 6,551 views
0 votes
1 answer

How to convert s Stack trace to a String?

Jun 22, 2018 in Java • 1,669 views
+1 vote
13 answers

What is the correct way to add external Jars to IntelliJ IDEA Project?

Jun 22, 2018 in Java • 192,701 views
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